Aryl Group Patents (Class 524/141)
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Patent number: 6787067Abstract: The present invention provides a multi-component granular additive for polyolefins which has a strength and a function which enable the additive to be dust-free and be of components-in-granule type. It comprises 10 parts by mass of a nucleating agent comprising an alkali metal salt or hydroxyaluminum salt of an aromatic monocarboxlylic acid or comprising an alkali metal salt or hydroxyaluminum salt of an acid aromatic phosphoric ester compound, 1 to 50 parts by mass of a phenolic antioxidant, 5 to 50 parts by mass of polyproylene, and 0 to 500 parts by mass of one or more optional additive components other than the nucleating agent and the phenolic antioxidant.Type: GrantFiled: August 16, 2002Date of Patent: September 7, 2004Assignee: Asahi Denka Kogyo K.K.Inventors: Toshinori Yukino, Takashi Takeuchi, Naoko Tanji, Etsuo Tobita
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Patent number: 6784234Abstract: The invention relates to plastic pallets that pass the Underwriters Laboratory UL 2335 protocol for pallets wherein said pallets comprises at least one resin selected from the group consisting of: (a) polyphenylene ether resin and blends containing polyphenylene ether resin, (b) polycarbonate resin and blends containing polycarbonate resin, (c) vinyl aromatic graft copolymer resin; (d) polyetherimide resin and blends containing polyetherimide resin, and (e) thermosetting resins. In a preferred embodiment, the plastic pallet has an open deck design. The invention also relates to a method to make pallets that pass the UL 2335 protocol.Type: GrantFiled: October 7, 1998Date of Patent: August 31, 2004Assignee: General Electric CompanyInventors: Adeyinka Adedeji, Geoffrey Henry Riding, Bruce Marshall Torrey
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Patent number: 6774163Abstract: The present invention relates to a novel flame retardant system for polymers comprising a mixture of two different aryl phosphates, to its preparation, and to its use.Type: GrantFiled: April 11, 2003Date of Patent: August 10, 2004Assignee: Bayer Chemicals AGInventors: Nikolaus Janke, Otto Mauerer, Manfred Pieroth
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Patent number: 6767941Abstract: A halogen-free, flame-retardant composition includes (1) organic phosphorus compound (A) and (1′) melamine or a compound derived from melamine (B); or (2) a melamine-phosphorus compound (AB). The composition also includes and olefin polymer and from 0.1-30 wt % based on the olefin polymer, of a compound containing acid, acid anhydride or epoxy groups. The flame-retardant composition may included in a polycondensate composition which incorporate the flame-retardant composition is substantially shortened.Type: GrantFiled: November 27, 2001Date of Patent: July 27, 2004Assignee: DSM IP Assets B.V.Inventors: Pieter A. Van Der Spek, Martinus L. M. Bos, William A. C. Roovers, Marnix Van Gurp, Henrica N. A. M. Menting
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Patent number: 6762228Abstract: An impact-resistant modified, flame-resistant and mineral-reinforced polycarbonate composition is disclosed. The composition has a flow line strength of greater than 6 kJ/m2 measured according to ISO 179/IeU and is preferably reinforced with wollastonite.Type: GrantFiled: January 22, 2002Date of Patent: July 13, 2004Assignee: Bayer AktiengesellschaftInventors: Andreas Seidel, Thomas Eckel, Uwe Peucker, Dieter Wittmann
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Patent number: 6756450Abstract: A chlorine-free polyolefin-based plastisol or organosol and method for producing the same, where the plastisol or organosol includes: (a) a finely-dispersed polyolefin in (b) 60 to 800 parts by weight (based on 100 parts by weight polyolefin) of a dispersion medium containing monomers which are capable of polyaddition or are polymerizable and copolymerizable, and/or oligomers and/or prepolymers and optionally, liquid softeners; (c) an initiator system suitable for the desired polyaddition and/or polymerization; and optionally (d) up to 700 parts by weight inert fillers and other additives and auxiliary substances. The chlorine-free plastisol or organosol is storage-resistant at room temperature and gelates at high temperatures. The inventive plastisols or organosols are suitable for many applications and represent an advantageous alternative to the plastisols currently in use, e.g. PVC-based plastisols, since they guarantee a number of different combinations of properties.Type: GrantFiled: May 5, 2003Date of Patent: June 29, 2004Inventor: Slaweyko Marinow
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Patent number: 6740696Abstract: A flame retardant composition is provided containing (a) an aromatic polycarbonate resin, (b) a rubber modified graft copolymer, (c) a vinyl aromatic-unsaturated nitrile rigid copolymer, (d) a phosphate and (e) a tetrafluoroethylene polymer. The compositions contain elevated rubber loadings and/or utilize low molecular weight polycarbonate and/or low molecular weight vinyl aromatic-vinyl cyanide rigid copolymer. The composition exhibits enhanced retention of izod impact properties upon exposure to heat and humidity. The compositions are useful for making pellets which are stored and/or shipped in hot humid conditions, and which are then utilized for making molded business machine housings.Type: GrantFiled: April 29, 1997Date of Patent: May 25, 2004Assignee: General Electric CompanyInventors: Satish Kumar Gaggar, Fuh-Sheng Chen
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Patent number: 6733697Abstract: The present invention relates to a method of enhancing the flame retardancy of nitrogenous phosphorus and/or sulfonate flame retardants, the enhanced (or activated) nitrogenous phosphorus and/or sulfonate flame retardants and their applications. The activated flame retardants are activated with either a char forming catalyst, a phase transfer catalyst or both.Type: GrantFiled: July 22, 2002Date of Patent: May 11, 2004Inventors: Michael S. Rhodes, Leonid Izrailev, Jason Tuerack, Philip S Rhodes
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Patent number: 6730381Abstract: Coextruded, intumescent fire-protection strips jacketed on three sides, obtained by coextruding an intumescent composition composed of a thermoplastic elastomer with a processing temperature of not more than 250° C. selected from the class consisting of block copolymers and uncrosslinked thermoplastic polyolefins, sulfuric-acid-treated graphite, flame retardant, and an inorganic additive which forms an enamel or forms a ceramic, and a three-sided jacket, where appropriate in association with a chambered profile, made from a thermoplastic elastomer with a processing temperature of not more than 250° C. selected from the class consisting of block copolymers and uncrosslinked thermoplastic polyolefins, flame retardant, and, where appropriate, a color pigment, where the fire-protection strips may be designed either as a hot-gas seal or else as a combined cold- and hot-gas seal with spatially separated functions.Type: GrantFiled: March 6, 2001Date of Patent: May 4, 2004Assignee: Intumex Brandschutzprodukte AGInventor: Heinrich Horacek
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Patent number: 6720370Abstract: A thermoplastic resin composition having 100 parts by weight of a resin mixture of (A) from 20 to 98% by weight of a polycarbonate resin and (B) from 2 to 80% by weight of a styrenic resin; from 0.1 to 20 parts by weight of (C) an epoxy-modified block copolymer; and from 0.5 to 20 parts by weight of (D) a grafted core/shell rubber elastomer, can be used in moldings which have a good surface layer peeling resistance and a good impact resistance. Further, a flame-retardant polycarbonate resin composition having 100 parts by weight of a resin or resin mixture of (A) from 20 to 100% by weight of a polycarbonate resin and (B) from 0 to 80% by weight of a styrenic resin; from 1 to 30 parts by weight of (E) a flame retardant of an organic phosphorus compound; and from 0.Type: GrantFiled: February 1, 2002Date of Patent: April 13, 2004Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Akio Nodera, Naoki Mitsuta
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Patent number: 6716899Abstract: Thermoplastic molding compositions comprise A) from 5 to 96% by weight of a polyester, B) from 1 to 30% by weight of a phosphinate of formula I and/or of a diphosphinate of formula II and/or polymers of these where: R1 and R2 are linear or branched C1-C6-alkyl, phenyl or hydrogen, R3 is linear or branched C1-C10-alkylene, arylene, alkylarylene or arylalkylene, M is an alkaline-earth or alkali metal, Zn, Al, Fe or B, m is an integer from 1 to 3, n is an integer from 1 to 3, is 1 or 2 and C) from 1 to 30% by weight of at least one organic phosphorus-containing flame retardant, D) from 0 to 5% by weight of at least one ester or amide of saturated or unsaturated aliphatic carboxylic acids having from 10 to 40 carbon atoms with saturated aliphatic alcohols or amines having from 2 to 40 carbon atoms, and E) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to E) is 100%.Type: GrantFiled: November 2, 2000Date of Patent: April 6, 2004Assignee: BASF AktiengesellschaftInventors: Martin Klatt, Michael Nam, Herbert Fisch
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Patent number: 6716900Abstract: A flameproof thermoplastic resin composition is substantially free of phenolic resin, red phosphorous and silicone resin and comprises (A) about 40-95 parts by weight of a rubber modified styrene-containing resin comprising (a1) about 20-95% by weight of a styrene-containing graft copolymer resin containing about 19-50% by weight of acrylonitrile in the copolymer excluding rubber and (a2) about 5-80% by weight of a styrene-containing copolymer containing about 19-50% by weight of acrylonitrile; (B) about 5-60 parts by weight of a polyphenylene ether resin; (C) about 2-40 parts by weight of a compatabilizer comprising (c1) a styrene-containing copolymer containing about 5-18% by weight of acrylonitrile in the copolymer per 100 parts by weight of the sum of (A) and (B) or (c2) a styrene-containing graft copolymer having up to about 60% by weight of rubber wherein the compatabilizer contains about 5-18% by weight of acrylonitrile in the copolymer excluding rubber, per 100 parts by weight of the sum of (A) and (BType: GrantFiled: January 16, 2002Date of Patent: April 6, 2004Assignee: Cheil Industries, Inc.Inventors: Bok-Nam Jang, Se-Jong Kim, Young-Kil Chang, Gyu-Cheol Lee
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Patent number: 6713595Abstract: The present invention provides a copolyester resin composition which has good physical properties, biodegradability and processability and a process for preparing and/or producing the same. To improve the biodegradability and physical properties of the copolyester, the present invention applied multi-stage reaction step, and copolyester resin having number average molecular weight of from 30,000 to 70,000, weight average molecular weight of from 100,000 to 600,000, melting point of from 55° C. to 120° C., and melt index of from 0.1 to 30 g/10 minute (190° C., 2,160 g) is obtained. The processability and physical properties of the copolyester resin of the present invention has been greatly enhanced by incorporating (i) an “aromatic-aliphatic prepolymers” having number average molecular weight of from 300 to 30,000 and the contiguous repeating unit of aromatic group in the dicarboxylic acid position of “aromatic-aliphatic prepolymers” is less than 5.Type: GrantFiled: December 11, 2000Date of Patent: March 30, 2004Assignee: IRE Chemical Ltd.Inventors: Hyun Soo Chung, Jae Wang Lee, Dong Hoon Kim, Do Youn Kim, Suok Woo Lee
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Patent number: 6709551Abstract: This invention is directed to high molecular weight water-soluble polymers comprised of zwitterionic, nonionic and cationic or anionic monomer units, and to the use of these polymers in papermaking processes.Type: GrantFiled: December 17, 2001Date of Patent: March 23, 2004Assignee: Ondeo Nalco CompanyInventors: Martin J. Coffey, Steven T. Govoni, Arthur J. Begala, Ross T. Gray, Patrick G. Murray
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Publication number: 20040030011Abstract: Flame retardant flexible polyurethane foam compositions, methods of flame retarding flexible polyurethane foam compositions, articles made therefrom and flame retardants that comprise blends of tetrahalophthalate esters and phosphorus-containing flame retardant having at least about 5 wt. % phosphorus additives. The combined weight of the tetrahalophthalate ester and the phosphorus-containing flame retardant comprises about 5 to about 20% by weight of the flexible polyurethane foam compositions or reaction mixtures. The ratio of the tetrahalophthalate ester to the phosphorus-containing flame retardant is from about 80:20 to about 20:80 percent by weight and preferably from about 60:40 to about 40:60 percent by weight.Type: ApplicationFiled: May 5, 2003Publication date: February 12, 2004Inventors: David Buszard, Matthew D. Phillips, Richard S. Rose, Stephen B. Falloon
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Patent number: 6689731Abstract: The invention relates to the use of particular phosphoric esters as emulsifiers and dispersants for pigments and fillers, based on polystyrene-block (b)-polyalkylene oxide copolymers. The invention provides block copolymeric phosphoric esters and their salts of the general formula (I) [R1O(SO)a(EO)b(CH2CHCH3O)c(BO)d]xPO—(OH)3−x (I) where R1=a straight-chain or branched or cycloaliphatic radical having 1 to 22 carbon atoms, SO=styrene oxide, EO=ethylene oxide, BO=butylene oxide and a=1 to<2, b=3 to 100, c=0 to 10, d=0 to 3, x=1 or 2 where b≧a+c+d.Type: GrantFiled: May 23, 2001Date of Patent: February 10, 2004Assignee: Goldschmidt AGInventors: Eberhard Esselborn, Wernfried Heilen, Kathrin Lehmann, Ellen Reuter, Stefan Silber, Andreas Stüttgen
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Patent number: 6689825Abstract: A thermoplastic resin composition with improved flame retardance, flow and heat deflection temperature includes a thermoplastic resin; resorcinol diphenyl phosphate; and an additive blend. The additive blend includes a combination of melamine polyphosphate and ferrocene. The thermoplastic composition reduces the amounts of resorcinol diphenyl phosphate required for effective flame retardancy. Moreover, the effective amounts of melamine polyphosphate and ferrocene do not deleteriously affect other properties of the thermoplastic composition such as Izod strength, flow properties, and heat deflection temperatures. A process for manufacturing a thermoplastic composition is also disclosed.Type: GrantFiled: November 27, 2002Date of Patent: February 10, 2004Assignee: General Electric CompanyInventors: Chandra S. Bajgur, William Pecak, Radhakrishna Arakali
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Patent number: 6686404Abstract: Flame-retardant thermoplastic moulding compositions containing an aromatic polycarbonate or polyestercarbonate, a graft polymer, a thermoplastic vinyl copolymer, a fluorinated polyolefin, 0.5 to 20 parts by weight of at least one phosphorus compound of general formula (I) wherein the average degree of polycondensation N of component D is always >5, a very finely divided inorganic powder with an average diameter of 0.1 to 200 nm and/or a monophosphorus compound, wherein the sum of the parts by weight of all the components is 100.Type: GrantFiled: July 7, 2000Date of Patent: February 3, 2004Assignee: Bayer AktiengesellschaftInventors: Thomas Eckel, Michael Zobel, Dieter Wittmann, Nikolaus Janke
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Patent number: 6667355Abstract: Flame retardants for polymer compositions which are mixtures including triaryl phosphate esters represented by the following formula: where R1-R15 can independently be located in the ortho, meta or para positions on their respective phenol rings and are, independently, H or branched or linear alkyl groups having 3 to 11 carbon atoms and the mole ratio of the alkylate to phenol in the mixtures is at least about 0.77, preferably greater than about 0.81, and most preferably greater than about 0.85. The higher alkylated mixtures of triaryl phosphate esters can be incorporated into polymer compositions alone or in combination with other flame retardants.Type: GrantFiled: August 30, 2001Date of Patent: December 23, 2003Assignee: PABU Services, Inc.Inventors: Richard S. Rose, David L. Buszard, Matthew D. Phillips, Frank J. Liu
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Patent number: 6653374Abstract: The flameproof thermoplastic resin composition of the present invention comprises (A) 40 to 95 parts by weight of a rubber modified styrene-containing resin composed of (a1) 20 to 100% by weight of a styrene-containing graft copolymer resin including 18 to 50% by weight of acrylonitrile in the copolymer excluding rubber; and (a2) 0 to 80% by weight of a styrene-containing copolymer resin containing 18 to 50% by weight of acrylonitrile; (B) 5 to 60 parts by weight of polyphenylene ether resin; (C) 2 to 40 parts by weight of a styrene-containing copolymer or styrene-containing graft copolymer resin containing 5 to 18% by weight of acrylonitrile per 100 parts by weight of the sum of (A) and (B); and (D) 5 to 30 parts by weight of an aromatic phosphoric acid ester compound per 100 parts by weight of the sum of (A) and (B).Type: GrantFiled: May 31, 2000Date of Patent: November 25, 2003Assignee: Cheil Industries Inc.Inventors: Bok-Nam Jang, Se-Jong Kim, Young-Kil Chang, Gyu-Cheol Lee
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Publication number: 20030212171Abstract: The invention relates to low solution viscosity cellulose triacetate and methods of making thereof. The invention also relates to films prepared from the low solution viscosity cellulose triacetate and articles containing the low solution viscosity cellulose triacetate.Type: ApplicationFiled: May 7, 2003Publication date: November 13, 2003Inventors: Timothy Joseph Frederick, Darryl Aubrey Godfrey
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Patent number: 6646032Abstract: A flameproof thermoplastic resin composition of the present invention comprises (A) a base resin comprising 40 to 95% by weight of a rubber modified styrene-containing resin (a1) composed of 20 to 100% by weight of a styrene-containing graft copolymer resin (a11) and 0 to 80% by weight of a styrene-containing copolymer resin (a12), and 60 to 5% by weight of polyphenylene ether resin (a2); (B) 2 to 40 parts by weight of a styrene-acrylonitrile copolymer containing 5 to 18% by weight of acrylonitrile per 100 parts by weight of the base resin; (C) 5 to 30 parts by weight of an aromatic phosphoric acid ester compound having a melting point of more than 90° C. per 100 parts by weight of the base resin; and (D) 3 to 30 parts by weight of a phenolic resin per 100 parts by weight of the base resin.Type: GrantFiled: December 6, 2001Date of Patent: November 11, 2003Assignee: Cheil Industries Inc.Inventors: Bok-nam Jang, Se-jong Kim, Gyu-cheol Lee, Young-kil Chang, Byeong-do Lee, Jung-hyun Kim
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Patent number: 6638998Abstract: The present invention is an aqueous coating composition and method of preparing same that uses certain polyoxyalkylene phosphate surfactants to increase the compatibility of inorganic pigments such as TiO2 with latex polymer binders to reduce the clustering of the inorganic pigment particles in the aqueous coating composition. The aqueous coating composition of the invention includes at least one polyoxyalkylene phosphate surfactant having the following structure: wherein m is 1 or 2, n is an integer from 1 to 100, R1 is C1-C5 alkyl, O—R2 is an alkylphenol residue wherein R2 has the structure C6H4—CpH2p+1 or O—R2 is a linear or branched alkyl alcohol residue wherein R2 has the structure CpH2p+1, and p is an integer from 1 to 30. The aqueous composition further includes at least one latex polymer, at least one inorganic pigment and water.Type: GrantFiled: April 18, 2001Date of Patent: October 28, 2003Assignee: BASF AGInventors: Cheng-Le Zhao, Uwe Dittrich
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Patent number: 6635698Abstract: A transparent/translucent flame redardant composition comprises a uniform blend of a miscible resin blend of a polycarbonate resin and a cycloaliphatic polyester resin wherein the composition has at least a 80% pass rate in 10 test specimen in the Norme Francaise NF-P-92-505 flammability test of L'Association Francaise de Normalisation using test specimens with weight between about 1.0 to about 6.0 kilograms per square meter.Type: GrantFiled: December 22, 2000Date of Patent: October 21, 2003Assignee: General Electric CompanyInventors: Johannes Martinus D. Goossens, Walter C. M. van der Heijden, Gabrie Hoogland, Johannes Jacobus M. de Moor, Hendrik Verhoogt
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Patent number: 6613824Abstract: Disclosed are flame retardant resinous compositions comprising (i) at least one aromatic polycarbonate; (ii) at least one of a second polymer having structural units derived from one or more monomers selected from the group consisting of vinyl aromatic monomers, monoethylenically unsaturated nitrile monomers, and C1-C12 alkyl (meth)acrylate monomers; (iii) at least one rubber modified graft copolymer; (iv) at least one polymeric or non-polymeric organic phosphorus species; (v) at least one antidrip agent; and (vi) at least one perfluoroalkanesulfonate salt present in an amount in a range between about 0.01 wt % and about 0.25 wt %, based on the weight of the entire composition. Also disclosed are methods for making said compositions.Type: GrantFiled: November 12, 2001Date of Patent: September 2, 2003Assignee: General Electric CompanyInventors: John Robert Campbell, Thomas Miebach, Monica Marugan, Thomas Arnold Ebeling
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Patent number: 6613820Abstract: To provide a polycarbonate resin composition that has excellent moisture resistance, good flame resistance, and markedly superior mechanical strength. Means for Solution: A resin composition containing (A) 1 to 99 weight parts of a polycarbonate resin having a viscosity average molecular weight of 10,000 to 100,000 and (B) 1 to 99 weight parts of a styrene resin, and also containing (C) a phosphoric ester compound with an acid value of 1 or less, in an amount of 1 to 40 weight parts per combined 100 weight parts of (A)+(B), and (D) a reinforcing agent in an amount of 1 to 100 weight parts per combined 100 weight parts of (A)+(B)+(C).Type: GrantFiled: December 14, 1999Date of Patent: September 2, 2003Assignee: General Electric CompanyInventors: Tomohide Fujiguchi, Kim Choate, Yuzuru Sawano, Akihiro Saito, Hideyuki Itoi
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Patent number: 6596794Abstract: Thermoplastic moulding compositions based on polycarbonate and/or polyester-carbonate comprising graft polymer prepared by means of bulk, solution or bulk-suspension polymerization processes and phosphorus compounds of the general formula (I)Type: GrantFiled: May 16, 2001Date of Patent: July 22, 2003Assignee: Bayer AktiengesellschaftInventors: Thomas Eckel, Michael Zobel, Bernd Keller, Dieter Wittmann
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Patent number: 6593404Abstract: The present invention relates to flame-retardant thermoplastic resin compositions. More particularly, the present invention relates to the thermoplastic resin compositions which comprise a polycarbonate, a styrene containing graft copolymer, a styrene containing copolymer, a mixture of alkyl substituted, preferably t-butyl substituted, monophosphate esters, a phosphate ester compound, and a fluorinated polyolefin, whose stress cracking resistance and flame retardancy are improved.Type: GrantFiled: September 29, 2000Date of Patent: July 15, 2003Assignee: Cheil Industries, Inc.Inventors: Jun Hyuk Shin, Sam Joo Yang, Young Kil Chang
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Patent number: 6590016Abstract: Flame retardant thermoplastic resin compositions containing (A) a rubber-reinforced resin produced by graft-polymerizing a monomer component containing an aromatic vinyl compound and a vinyl cyanide compound as main ingredients in the presence of a rubber polymer particles and (B) 90 to 60 parts by weight of an aromatic polycarbonate. Optionally (C) a phosphate compound and (D) a component containing poly-tetrafluoroethylene and a lubricant may be present.Type: GrantFiled: February 22, 2001Date of Patent: July 8, 2003Assignee: Techno Polymer Co., Ltd.Inventors: Masahiko Noro, Hiroyuki Itoh, Keigo Higaki, Hiroaki Miyazaki
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Patent number: 6590051Abstract: This invention is directed to high molecular weight water-soluble zwitterionic polymers derived from zwitterionic and nonionic monomer units, and to the use of the polymers in papermaking processes.Type: GrantFiled: January 22, 2001Date of Patent: July 8, 2003Assignee: Ondeo Nalco CompanyInventors: Phillip W. Carter, Patrick G. Murray, Larry E. Brammer, Jr., Andrew J. Dunham
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Patent number: 6583250Abstract: The bondability of a polyolefin, particularly to cyanoacrylate adhesives, is improved by incorporating in the polyolefin a polymerization initiator capable of initiating the polymerization of the monomers constituting the cyanoacrylate adhesive. The polymerization initiator may, for example, be a sterically hindered nitrogen base and may be mixed with the polyolefin at a temperature above the polyolefin's glass transition temperature using, for example, co-extrusion or co-injection methods.Type: GrantFiled: November 20, 1998Date of Patent: June 24, 2003Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Paul Birnbrich, Herbert Fischer, Manfred Gorzinski, Thomas Huver
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Patent number: 6583257Abstract: The invention relates to thermoplastic copolycarbonate compositions and moulded parts containing the latter having improved stress cracking resistance and thermal stability.Type: GrantFiled: September 24, 2001Date of Patent: June 24, 2003Assignee: Bayer AktiengesellschaftInventors: Holger Warth, Thomas Eckel, Dieter Wittmann, Silke Kratschmer
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Patent number: 6576700Abstract: A high flow polyphenylene ether resin composition with improved HDT values and flame retardance comprising a blend of at least two polyphenylene ether resins, a first resin having an intrinsic viscosity of at least 0.3 dl/g, and a second resin having an intrinsic viscosity of less than 0.25 dl/g and preferably having a particle size of at least about 100 &mgr;m. The composition preferably contains less than 30 wt % of the low viscosity polyphenylene ether based on the weight of the total composition. Fiber reinforced and flame retarded compositions also exhibit high HDT values.Type: GrantFiled: April 12, 2000Date of Patent: June 10, 2003Assignee: General Electric CompanyInventor: Nirajkumar Patel
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Patent number: 6569929Abstract: The present invention relates to a method for preparing phosphoramides having a glass transition temperature in one embodiment of at least about 0° C., in another embodiment of at least about 10° C., and in still another embodiment of at least about 20° C., the phosphoramides being substantially free of acidic, basic, or halide impurities, or their precursors. The invention also relates to resin compositions comprising at least one thermoplastic resin and at least one phosphoramide having a glass transition temperature of at least about 0° C., wherein the phosphoramide is prepared by the method of the invention.Type: GrantFiled: May 4, 2001Date of Patent: May 27, 2003Assignee: General Electric CompanyInventors: Neal Steven Falcone, John Robert Campbell, James Ross Fishburn
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Patent number: 6569930Abstract: A flame resistant thermoplastic molding composition is disclosed. The composition contains aromatic polycarbonate, graft polymer, a specifically structured phosphorous compound, fluorinated polyolefin and inorganic compound with an average particle size no greater that 200 nm and an optional vinyl(co)polymer. The inventive composition is characterized in its improved stress cracking resistance and mechanical properties.Type: GrantFiled: February 4, 2000Date of Patent: May 27, 2003Assignee: Bayer AktiengesellschaftInventors: Thomas Eckel, Dieter Wittmann, Michael Zobel, Bernd Keller, Heinrich Alberts
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Publication number: 20030078325Abstract: Flame retardants for polymer compositions which are mixtures including triaryl phosphate esters represented by the following formula: 1Type: ApplicationFiled: August 30, 2001Publication date: April 24, 2003Inventors: Richard S. Rose, David L. Buszard, Matthew D. Phillips, Frank J. Liu
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Patent number: 6531530Abstract: The present invention provides a flame retardant resin composition having excellent impact resistance, heat resistance, dimensional stability, and flame retardance. That is, it provides a flame retardant resin composition made up of: 100 parts by weight of a thermoplastic resin (A) containing: 80 to 10% by weight of (A-1) at least one of an aromatic polyester resin and a polyamide resin, 17 to 85% by weight of at least one of a rubber-containing copolymer of a vinyl cyanide and an aromatic vinyl (A-2) and a copolymer of a vinyl cyanide and an aromatic vinyl (A-3) and 3 to 40% by weight of (A-4) at least one of a polyphenylene ether resin and a polyphenylene sulfide resin, 1 to 60 parts by weight of a non-halogen, organic or inorganic flame retardant (B) and 100 parts by weight or less of a filler (C).Type: GrantFiled: December 21, 2000Date of Patent: March 11, 2003Assignee: Daicel Chemical Industries, Ltd.Inventor: Takayuki Asano
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Patent number: 6495621Abstract: The present invention relates to a molding material for OA machine parts, wherein such material comprises a resin combination of 60 to 98 parts by weight of a polyphenylene ether-based resin, 2 to 40 parts by weight of a thermoplastic elastomer, and 1 to 50 parts by weight of a flame retardant, such that the resin composition has a bending modulus of not less than 1500 MPa as measured at 23° C. according to ASTM D790, a damping ratio of not less than 1.0% at 23° C., and a thermal deformation temperature of not less than 100° C. as measured according to ASTM D648 under 18.6 kg/cm2 load, and wherein the product of the bending modulus and the damping ratio is not less than 10,000 MPa*%.Type: GrantFiled: May 24, 2000Date of Patent: December 17, 2002Assignee: Mitsubishi Engineering-Plastics CorporationInventors: Yoshihiro Kurasawa, Akihiro Kokubo, Koji Nishida
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Publication number: 20020188045Abstract: The present invention aims at modifying a polyblend mainly comprising a polycarbonate resin and a polystyrene resin into a thermoplastic resin composition having flowability and impact strength equivalent to those of a polyblend comprising a polycarbonate resin and an ABS resin, and at providing a harmless flame-retardant thermoplastic resin composition based on the resulting modified composition. Specifically, the present invention relates to a thermoplastic resin comprising 100 parts by weight of a resin mixture comprising 30 to 95% by weight of a polycarbonate resin (a), 5 to 70% by weight of a polystyrene resin (b), 0.5 to 20 parts by weight of a specific block copolymer (c) and, if necessary, 0.1 to 20 parts by weight of a polyalkylene terephthalate (d), and/or 0.1 to 20 parts by weight of a polyphenylene ether resin (e), and a flame-retardant thermoplastic resin composition prepared by blending the above composition with 1 to 40 parts by weight of an organophosphorus compound (f) and, if necessary, 0.Type: ApplicationFiled: May 29, 2002Publication date: December 12, 2002Applicant: DAICEL CHEMICAL INDUSTRIES, LTD.Inventors: Masahiro Katayama, Hiromitsu Hamano
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Patent number: 6486244Abstract: The invention relates to a process for the manufacture of a thermoplastic composition comprising a polyphenylene ether resin and a styrenic resin wherein the processes comprises a concentrate of polyphenylene ether resin with an organic phosphate compound. The concentrate allows for ease of handling of polyphenylene ether resin without the risk of dust ignition while obtaining substantially the same physical properties as obtained with polyphenylene ether resin powder. The invention also relates to articles formed out of the compositions made by the process of the invention.Type: GrantFiled: January 18, 2001Date of Patent: November 26, 2002Assignee: General Electric CompanyInventors: Adeyinka Adedeji, Robert Hossan, William E. Pecak, Sai-Pei Ting
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Patent number: 6486241Abstract: A polycarbonate resin composition with improved moisture resistance maintains outstanding physical properties even in high-temperature, high-humidity aging and comprises a polycarbonate resin composition containing (B) (B-1) 1 to 99 parts by weight of a copolymer having as its component parts (a) an aromatic vinyl monomer component, (b) a cyanide vinyl monomer component, and (c) a rubber-like polymer, and/or (B-2) a copolymer having as its component parts (a) an aromatic vinyl monomer component and (b) a cyanide vinyl monomer component, with respect to (A) 1 to 99 parts by weight of polycarbonate resin having a viscosity average molecular weight within a specified range, said copolymer containing an amount of various alkali metals of 1 ppm or less, and (C) 0 to 40 parts by weight of a phosphoric ester compound blended in with respect to a total of 100 parts by weight of the aforementioned components (A) and (B).Type: GrantFiled: September 9, 1999Date of Patent: November 26, 2002Assignee: General Electric CompanyInventor: Yuzuru Sawano
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Publication number: 20020165300Abstract: To provide a polycarbonate resin composition that has excellent moisture resistance, good flame resistance, and markedly superior mechanical strength.Type: ApplicationFiled: December 14, 1999Publication date: November 7, 2002Inventors: TOMOHIDE FUJIGUCHI, KIM CHOATE, YUZURU SAWANO, AKIHIRO SAITO, HIDEYUKI ITOI
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Publication number: 20020161081Abstract: A flameproof thermoplastic resin composition is substantially free of phenolic resin, red phosphorous and silicone resin and comprises (A) about 40-95 parts by weight of a rubber modified styrene-containing resin comprising (a1) about 20-95% by weight of a styrene-containing graft copolymer resin containing about 19-50% by weight of acrylonitrile in the copolymer excluding rubber and (a2) about 5-80% by weight of a styrene-containing copolymer containing about 19-50% by weight of acrylonitrile; (B) about 5-60 parts by weight of a polyphenylene ether resin; (C) about 2-40 parts by weight of a compatabilizer comprising (c1) a styrene-containing copolymer containing about 5-18% by weight of acrylonitrile in the copolymer per 100 parts by weight of the sum of (A) and (B) or (c2) a styrene-containing graft copolymer having up to about 60% by weight of rubber wherein the compatabilizer contains about 5-18% by weight of acrylonitrile in the copolymer excluding rubber, per 100 parts by weight of the sum of (A) and (BType: ApplicationFiled: January 16, 2002Publication date: October 31, 2002Applicant: CHEIL INDUSTRIES, INC.Inventors: Bok-Nam Jang, Se-Jong Kim, Young-Kil Chang, Gyu-Cheol Lee
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Patent number: 6472456Abstract: Polyolefins, especially polypropylene, can be made flame retardant by the incorporation therein of a synergistic mixture of a selected hindered amine substituted by an alkoxy, cydoalkoxy or hydroxyalkoxy moiety and a selected organic or inorganic brominated and/or phosphorus containing flame retardant, such as ammonium polyphosphate or decabromodiphenyl oxide wherein the amount of organic or inorganic flame retardant required to achieve an acceptable level of flame retardancy is significantly reduced compared to that needed when the hindered amine is not present.Type: GrantFiled: November 3, 1999Date of Patent: October 29, 2002Assignee: Ciba Specialty Chemicals Corp.Inventors: Douglas Wayne Horsey, Stephen Mark Andrews, Leonard Harris Davis, Darrell David Dyas, Jr., Robert Leo Gray, Anunay Gupta, Bruce Vincent Hein, Joseph Stephen Puglisi, Ramanathan Ravichandran, Paul Shields, Rangarajan Srinivasan
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Patent number: 6465548Abstract: The present invention relates to a stabilizer composition for organic polymer material containing (a) 6-hydroxychroman compound, a phosphorus antioxidant and (c) phenolic antioxidant, wherein the component (a) is contained in a proportion of 0.5 wt %-10 wt % and the total amount of the component (b) and the component (c) is in a proportion of 99.5 wt %-90 wt %, of the total amount of the components (a), (b) and (c). The present invention also relates to an organic polymer material composition containing an organic polymer and the above-mentioned stabilizer composition for organic polymer material. The use of the stabilizer composition of the present invention as a stabilizer for organic polymer materials affords an industrially extremely useful stabilized organic polymer material composition superior in heat stability during processing.Type: GrantFiled: April 14, 2000Date of Patent: October 15, 2002Assignee: Yoshitomi Fine Chemicals, Ltd.Inventors: Takeshi Inoue, Shoichi Horie
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Patent number: 6462113Abstract: Copolymerizates of methyl methacrylate and butyl methacrylate are used as plastisols in the automotive sector and as floor coverings. The invention describes a way to increase the storage stability of the plastisols by using small amounts of cross-linking agents.Type: GrantFiled: December 8, 1997Date of Patent: October 8, 2002Assignee: Roehm GmbH & Co. KGInventors: Wilhelm Elser, Guenther Schmitt, Ursula Rausch, Theodor Mager
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Patent number: 6462112Abstract: A flame-retarded resin composition contains: (A) an ABS resin; (B) an aromatic phosphate having a melting point of 80° C. or more and being represented by the following general formula (I): wherein R1 to R4 are, the same or different, a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, excluding the case where R1 to R4 are all hydrogen atoms; X is a bond, —CH2—, —C(CH3)2—, —S—, —SO2—, —O—, —CO— or —N═N—; n is an integer of 0 or 1; and m is an integer of 0 to 5; and (C) a novolak-type phenolic resin.Type: GrantFiled: June 22, 2001Date of Patent: October 8, 2002Assignee: Daihachi Chemical Industry Co., Ltd.Inventor: Katsuichi Otsuki
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Patent number: 6458874Abstract: The invention relates to a composition comprising a combination of compounds providing improved “direct to metal” adhesion and coating compositions comprising said composition. The coating compositions of the invention have improved adhesion when applied directly over metal substrates, especially untreated metal substrates such as galvanized steel, unsanded aluminum and unsanded cold-rolled steel.Type: GrantFiled: June 22, 2000Date of Patent: October 1, 2002Assignee: BASF CorporationInventor: David L. Newton
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Patent number: 6451889Abstract: A flameproof thermoplastic resin composition of the present invention comprises (A) 100 parts by weight of a rubber modified styrene-containing base resin composed of 20˜100% by weight of a styrene-containing graft copolymer resin and 0˜80% by weight of a styrene-containing copolymer resin; (B) 5˜40 parts by weight of a phenolic resin; (C) 3˜40 parts by weight of a PPE resin having a hindered phenolic structure; and (D) 5˜30 parts by weight of an aromatic phosphoric acid ester having a hindered phenolic structure. Said flameproof thermoplastic resin composition may further comprise 0.01˜2.0 parts by weight of a fluorine resin to 100 parts by weight of said rubber modified styrene-containing base resin.Type: GrantFiled: June 29, 2000Date of Patent: September 17, 2002Assignee: Cheil Industries, Inc.Inventors: Bok-nam Jang, Se-jong Kim, Gyu-cheol Lee
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Patent number: RE37951Abstract: The present invention is directed to compositions for use as additives in the automotive industry, which compositions contain waste powder prime and a plasticizer selected from the group consisting of 2-ethylhexyl diphenyl phosphate, diisoheptyl phthalate, a linear phthalate based upon C7-C9 alcohols, a mixture of esters containing a minimum of 55 percent of diesters and a maximum of 20 percent dibenzoate, a mixture of esters containing a minimum of 60 percent of diesters and a maximum of 30 percent dibenzoate and dipropylene glycol dibenzoate and automotive sealants which contain waste powder prime, a plasticizer selected from the group consisting of 2-ethylhexyl diphenyl phosphate, diisoheptyl phthalate, a linear phthalate based upon C7-C9 alcohols, a mixture of esters containing a minimum of 55 percent of diesters and a maximum of 20 percent dibenzoate, a mixture of esters containing a minimum of 60 percent of diesters and a maximum of 30 percent dibenzoate and dipropylene glycol dibenzoate and automotiveType: GrantFiled: January 19, 2000Date of Patent: December 31, 2002Assignee: Henkel CorporationInventors: James F. Hubert, Richard A. Rinka