At Least Two Distinct Phenols, Phenol Ethers, Inorganic Phenolates, Or Mixtures Thereof Prior To Reaction With Aldehyde Or Aldehyde-type Reactant Derived From Tall Oil Patents (Class 525/135)
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Patent number: 11345787Abstract: Methods of manufacturing high-temperature composite materials using carbon nanotube to improve the efficiency of insulation applied to propulsion systems for aerospace equipment including 5 steps: step 1: select necessary materials and equipment, step 2: disperse MW-CNTs in the polar solution, step 3: distribute MW-CNTs evenly in the resin, step 4: eliminate residual solvents, step 5: curing phenolic resin composites.Type: GrantFiled: October 28, 2019Date of Patent: May 31, 2022Assignee: VIETTEL GROUPInventors: Dinh Nguyen Nguyen, Ky Nam Pham, Trong Dai Vu
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Patent number: 10642069Abstract: The purpose of the present invention is to provide a method for producing an unhydrated ophthalmic lens in which the lens surface has been made hydrophilic by imparting, using a simple technique, desired water wettability and stability against the surrounding environment to the lens surface of an unhydrated ophthalmic lens comprising a silicone compound as its constituent. This purpose can be achieved by a method for producing an unhydrated ophthalmic lens having on its lens surface a hydrophilic polymer having an alkyl halide at terminal, comprising the step of bringing an unhydrated ophthalmic lens having an alkyl halide into contact with a first aqueous solution containing a first hydrophilic monomer and a metal complex to obtain the unhydrated ophthalmic lens having on its lens surface a hydrophilic polymer having an alkyl halide at terminal.Type: GrantFiled: October 6, 2016Date of Patent: May 5, 2020Assignee: SEED CO., LTD.Inventor: Kunio Jonin
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Patent number: 9359524Abstract: Disclosed is a polyester prepared from a mixture of reactants including: a) an aromatic monoacid, where the aromatic monoacid includes from 25 to 60 weight % based on the total weight of reactants; b) a polyacid, where the polyacid includes less than 90 mole % isophthalic acid; and c) a polyol having at least 3 hydroxyl groups. The mixture of reactants is substantially free of a non-aromatic monoacid, and said polyester has a dynamic viscosity of greater than 15,000 centipoise at 40° C. as measured by a Physica MCR 301 rheometer with 25 mm parallel plate and 0.1 mm gap as a function of increasing shear rate (0.1 to 10 s?1), and an acid value of less than 15 mg KOH/g. The polyacid can also be an aliphatic polyacid. Coatings comprising the same and substrates coated at least in part with such coatings are also disclosed.Type: GrantFiled: October 15, 2013Date of Patent: June 7, 2016Assignee: PPG Industries Ohio, Inc.Inventors: Jonathan P. Breon, Ljiljana Maksimovic, Anthony M. Chasser, Edward R. Millero, John E. Schwendeman, Robert E. Jennings
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Patent number: 8816007Abstract: The present invention provides methods to functionalize and solubilize WCNT with a phenolic polymer such as a lignin or a PF resin followed by in-situ integration of this functionalized CNT in the presence of formaldehyde and phenol and/or lignin to generate either CNT-reinforced phenol-formaldehyde polymer or CNT-reinforced lignin-phenol-formaldehyde polymer in either liquid or powder form suitable as an adhesive in the manufacture of a lignocellulosic composite material such as OSB and plywood.Type: GrantFiled: July 27, 2011Date of Patent: August 26, 2014Assignees: FPInnovations, National Research Council of CanadaInventors: Yaolin Zhang, Xiang-Ming Wang, Martin Feng, Gilles Brunette, Fuyong Cheng, Benoit Simard
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Patent number: 8470930Abstract: The present invention relates to novolak resins prepared with, inter alia, one or more alkylphenols. The invention further relates to compositions comprising the novolak resins, such as vulcanizable rubber compositions, and to products obtained therewith.Type: GrantFiled: September 10, 2008Date of Patent: June 25, 2013Assignee: SI Group, Inc.Inventors: L. Scott Howard, Todd M. Aube, Timothy Edward Banach, James J. Lamb
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Publication number: 20120296027Abstract: Provided are a rubber composition for a tire which can achieve good handling stability, good fuel economy, good elongation at break, and good steering response in a balanced manner while maintaining good extrusion processability; and a pneumatic tire produced using the rubber composition. The rubber composition includes: 100 parts by mass of a rubber component; 0.5 to 20 parts by mass of an alkylphenol resin; and 0.04 to 10 parts by mass of a methylene donor, wherein the alkylphenol resin is produced from formaldehyde and at least two compounds selected from the group consisting of a 2-alkylphenol, a 3-alkylphenol, and a 4-alkylphenol, and a total amount of the free 2-alkylphenol, 3-alkylphenol, and 4-alkylphenol in the alkylphenol resin is not more than 3% by mass.Type: ApplicationFiled: May 16, 2012Publication date: November 22, 2012Inventor: Tatsuya MIYAZAKI
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Publication number: 20120041146Abstract: The present invention provides methods to functionalize and solubilize WCNT with a phenolic polymer such as a lignin or a PF resin followed by in-situ integration of this functionalized CNT in the presence of formaldehyde and phenol and/or lignin to generate either CNT-reinforced phenol-formaldehyde polymer or CNT-reinforced lignin-phenol-formaldehyde polymer in either liquid or powder form suitable as an adhesive in the manufacture of a lignocellulosic composite material such as OSB and plywood.Type: ApplicationFiled: July 27, 2011Publication date: February 16, 2012Applicants: NATIONAL RESEARCH COUNCIL OF CANADA, FPINNOVATIONSInventors: Yaolin ZHANG, Xiang-Ming WANG, Martin FENG, Gilles BRUNETTE, Fuyong CHENG, Benoit SIMARD
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Patent number: 7939609Abstract: A redispersible polymer powder including: a polymer to be redispersed; and an ortho-cresol based condensation product or salt thereof; wherein the ortho-cresol based condensation product or salt thereof includes N-containing units derived from a N-based component incorporated into the ortho-cresol based condensation product or salt thereof during polymerization.Type: GrantFiled: September 22, 2005Date of Patent: May 10, 2011Assignee: Acquos Pty LtdInventor: Valentino De Fazio
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Patent number: 7425602Abstract: The present invention relates to novolak resins prepared with, inter alia, one or more alkylphenols. The invention further relates to compositions comprising the novolak resins, such as vulcanizable rubber compositions, and to products obtained therewith.Type: GrantFiled: November 19, 2004Date of Patent: September 16, 2008Assignee: SI Group, Inc.Inventors: L. Scott Howard, Todd M. Aube, Timothy Edward Banach, James J. Lamb
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Patent number: 7393899Abstract: As a rubber composition having an elasticity further increased as compared with the conventional rubber composition while preventing the lowering of the fracture resistance, there is provided a rubber composition comprising a rubber component of at least one of natural rubber and synthetic diene rubbers and a phenolic resin compounded therein and represented by the following formula (I): (wherein R0 is a hydrogen atom, an alkyl group, a phenyl group or a methylol group, and each of R1 and R2 is an arylene group, an alkylene group having a carbon number of 2-10, an aralkylene group, a cycloalkenylene group or a cycloalkadienylene group, and n is 0-10).Type: GrantFiled: October 7, 2003Date of Patent: July 1, 2008Assignee: Bridgestone CorporationInventor: Ritsuko Yamada
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Patent number: 6979716Abstract: This invention is related to a production method of a branched polymer which comprises polymerizing a macromonomer [I], said macromonomer [I] being a vinyl polymer obtainable by radical polymerization and terminally having one polymerizable carbon—carbon double bond-containing group per molecule. Furthermore, by producing the macromonomer by living radical polymerization, in particular atom transfer radical polymerization, it becomes possible to produce the above polymers or gels having well controlled side chain molecular weights.Type: GrantFiled: June 18, 1999Date of Patent: December 27, 2005Assignee: Kaneka CorporationInventors: Yoshiki Nakagawa, Shigeki Ono, Masayuki Fujita, Kenichi Kitano
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Patent number: 6875807Abstract: A silane-modified phenolic resin is prepared by reacting a phenolic compound (e.g., resorcinol) with an aldehyde to produce a phenolic novolak resin. The phenolic novolak resin is further reacted with at least one silane compound to produce the silane-modified phenolic resin. The reaction is typically carried out in the presence of an acid or base catalyst. The resulting resin has a lower softening point and can be used as a methylene acceptor compound in a vulcanizable rubber composition.Type: GrantFiled: May 28, 2003Date of Patent: April 5, 2005Assignee: Indspec Chemical CorporationInventors: Raj B. Durairaj, C. Michael Walkup, Mark A. Lawrence
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Publication number: 20040034165Abstract: An electron-beam curable polyurethane resin for magnetic recording media is produced by modifying a polyurethane resin having active hydrogen in the molecule thereof with a compound having at least two acrylic double bonds, wherein the modification is performed on the active hydrogen so that the polyurethane resin becomes electron-beam curable. By subjecting a known thermosetting polyurethane resin to electron-beam sensitive modification, the resulting resin is highly crosslinked and is thus capable of being suitably used for magnetic recording media. Also, an electron-beam curable polyurethane resin having excellent crosslinking characteristics can easily be produced from the known thermosetting polyurethane resin. Furthermore, by using the electron-beam curable polyurethane resin, a high-performance magnetic recording medium can be provided.Type: ApplicationFiled: March 27, 2003Publication date: February 19, 2004Applicant: TDK CORPORATIONInventors: Hideki Sasaki, Hiroyuki Yamada, Kenichi Kitamura, Kazushi Tanaka
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Patent number: 6686418Abstract: A process for reducing the heat evolution on dynamic stressing of vulcanised rubber products, using for this purpose, in vulcanizable rubber mixtures, mixtures made from non-selfcuring novolaks A and from unetherified or partially etherified triazine resins B, as a combination of reinforcing resin and curing agent.Type: GrantFiled: May 22, 2001Date of Patent: February 3, 2004Assignee: Solutia Germany GmbH & Co. KGInventors: Siegfried Wallenwein, Frank Scholl, Helmut Eckes
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Patent number: 6472457Abstract: Methods for preparing formaldehyde-free resorcinol resins are disclosed. The methods generally comprise reacting resorcinol first with dicyclopentadiene and then reacting that mixture with an olefinic compound. The resins produced by this method are also disclosed, as are rubber compositions utilizing the present resins. The resins are characterized as having a free resorcinol content of about 1 wt. % or less, and yielding a suitable softening point when used in rubber applications.Type: GrantFiled: December 21, 2000Date of Patent: October 29, 2002Assignee: Indspec Chemical CorporationInventors: Raj B. Durairaj, Alex Peterson, Jr.
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Patent number: 6379800Abstract: Glyoxal-phenolic condensates, epoxidized products thereof, as well as their method of manufacture are disclosed. The condensates and epoxidized products have exceptionally high fluorescence as well as good ultraviolet absorbance. There is also disclosed compositions and laminates containing the condensates and epoxidized products thereof.Type: GrantFiled: January 20, 2001Date of Patent: April 30, 2002Assignee: Borden Chemical, Inc.Inventor: Arthur H. Gerber
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Patent number: 6320020Abstract: A sulfur-containing (thio)ether (co)polymer comprising repetitive structural units represented by general formulas 1 and 2, and an optical element using the (co)polymer: where A and B are bivalent organic group; R1 and R2 are hydrogen or alkyl; X1 to X4 are oxygen or sulfur; Y1 and Y2 are halogen, hydroxy, —OR3 or —SR4, in which R3 is sulfur-containing alkyl, aryl, heterocycle or acyl optionally having a substituent other than SH; and R4 is alkyl, aryl, heterocycle or acyl; provided that —OR3 and/or —SR4 constitute 10 to 100% of the total of Y1+Y2. The (co)polymer exhibits good optical, mechanical and thermal properties and a higher refractive index, and may be prepared in a good productivity. The sulfur-containing (thio)ether (co)polymer is useful for manufacturing a variety of optical elements.Type: GrantFiled: September 3, 1999Date of Patent: November 20, 2001Assignee: Mitsui Chemicals, Inc.Inventors: Keisuke Takuma, Kenichi Sugimoto, Atsuo Otsuji, Rihoko Suzuki, Kenichi Fujii, Masao Imai
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Patent number: 6316583Abstract: The specification discloses a method for the manufacture of a fluorescent polyphenolic product with high UV absorbance, its subsequent epoxidation as well as polyphenolic products and epoxidized derivatives and compositions thereof. The polyphenolic products are prepared by heating glyoxal at a temperature of about 80° C. to about 100° C. with a molar excess of a phenol in the presence of an acidic catalyst which is eliminated from the reaction mixture at a temperature below about 170° C. The total mole ratio of glyoxal to phenol charged to the reaction mixture is about 0.15 to 0.22 moles of glyoxal for each mole of phenol. The glyoxal is added continuously or by stepwise additions to the phenol so as to keep the aldehyde units in the reaction mixture to less than about 70% of the aldehyde units in the total quantity of glyoxal to be charged for making the polyphenol. Water is distilled stepwise or continuously from the reaction mixture.Type: GrantFiled: December 13, 2000Date of Patent: November 13, 2001Assignee: Borden Chemical, Inc.Inventor: Arthur H. Gerber
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Patent number: 6242533Abstract: The present invention relates to a novolak type phenol resin, in particular a novolak type phenol resin for resists suitable for forming resist patterns. The novolak type phenol resin of the present invention is obtained by reacting at least a vinylphenol having a vinyl group and a phenolic hydroxyl group, such as parahydroxystyrene, or a polyvinylphenol, which is a polymer of the vinylphenol, a compound (A) such as 4,4′-methylenebis(2-hydroxymethyl-3,6-dimethylphenol) and/or a compound (B) such as 2,6-dihydroxymethyl-4-phenol, in a ratio of 1 to 40 moles of the compound (A) and/or compound (B) to 100 moles of the vinylphenol or 100 moles of structural unit of the vinylphenol contained in the polyvinylphenol in the presence of an acid and having a weight average molecular weight of 2,000 to 20,000. Such a novolak type phenol resin provides good pattern shape, heat resistance, resolution, and sensitivity in resists for lithography.Type: GrantFiled: May 31, 2000Date of Patent: June 5, 2001Assignee: Gun Ei Chemical Industry Co., Ltd.Inventors: Yoshiaki Kurimoto, Katsuhiro Maruyama, Akira Yoshitomo, Satoru Yoshida, Satoru Kitano
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Patent number: 6239248Abstract: The specification discloses a method for the manufacture of a fluorescent polyphenolic product with high UV absorbance, its subsequent epoxidation, polyphenolic products, epoxidized derivatives and compositions thereof as well as laminates containing fluorescent polyphenolic products and derivatives thereof. The polyphenolic products are prepared by heating glyoxal at a temperature of about 80° C. to about 100° C. with a molar excess of a phenol in the presence of an acidic catalyst which is eliminated from the reaction mixture at a temperature below about 170° C. The total mole ratio of glyoxal to phenol charged to the reaction mixture is about 0.15 to 0.22 moles of glyoxal for each mole of phenol. The glyoxal is added continuously or by stepwise additions to the phenol so as to keep the aldehyde units in the reaction mixture to less than about 70% of the aldehyde units in the total quantity of glyoxal to be charged for making the polyphenol.Type: GrantFiled: April 23, 1999Date of Patent: May 29, 2001Assignee: Borden Chemical, Inc.Inventor: Arthur H. Gerber
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Patent number: 6232399Abstract: The specification discloses a method for the manufacture of a fluorescent polyphenolic product with high UV absorbance, its subsequent epoxidation as well as polyphenolic products and epoxidized derivatives and compositions thereof. The polyphenolic products are prepared by heating glyoxal at a temperature of about 80° C. to about 100° C. with a molar excess of a phenol in the presence of an acidic catalyst which is eliminated from the reaction mixture at a temperature below about 170° C. The total mole ratio of glyoxal to phenol charged to the reaction mixture is about 0.15 to 0.22 moles of glyoxal for each mole of phenol. The glyoxal is added continuously or by stepwise additions to the phenol so as to keep the aldehyde units in the reaction mixture to less than about 70% of the aldehyde units in the total quantity of glyoxal to be charged for making the polyphenol. Water is distilled stepwise or continuously from the reaction mixture.Type: GrantFiled: August 9, 2000Date of Patent: May 15, 2001Assignee: Borden Chemical, Inc.Inventor: Arthur H. Gerber
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Patent number: 6201094Abstract: The specification discloses epoxidized products and compositions of a polyphenol of a phenol and glyoxal wherein the polyphenol prior to epoxidation has an ultraviolet (UV) absorbance of at lest 0.260 at 365 nanometers (nm) and/or at least 0.400 at 350 nm.Type: GrantFiled: October 20, 1999Date of Patent: March 13, 2001Assignee: Borden Chemical, Inc.Inventor: Arthur H. Gerber
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Patent number: 6140421Abstract: The specification discloses a method for the manufacture of a fluorescent polyphenolic product with high UV absorbance, its subsequent epoxidation as well as polyphenolic products and epoxidized derivatives and compositions thereof. The polyphenolic products are prepared by heating glyoxal at a temperature of about 80.degree. C. to about 100.degree. C. with a molar excess of a phenol in the presence of an acidic catalyst which is eliminated from the reaction mixture at a temperature below about 170.degree. C. The total mole ratio of glyoxal to phenol charged to the reaction mixture is about 0.15 to 0.22 moles of glyoxal for each mole of phenol. The glyoxal is added continuously or by stepwise additions to the phenol so as to keep the aldehyde units in the reaction mixture to less than about 70% of the aldehyde units in the total quantity of glyoxal to be charged for making the polyphenol. Water is distilled stepwise or continuously from the reaction mixture.Type: GrantFiled: September 23, 1999Date of Patent: October 31, 2000Assignee: Borden Chemical, Inc.Inventor: Arthur Harry Gerber
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Patent number: 6001950Abstract: The specification discloses a method for the manufacture of a fluorescent polyphenolic product with high UV absorbance, its subsequent epoxidation as well as polyphenolic products and epoxidized derivatives and compositions thereof. The polyphenolic products are prepared by heating glyoxal at a temperature of about 80.degree. C. to about 100.degree. C. with a molar excess of a phenol in the presence of an acidic catalyst which is eliminated from the reaction mixture at a temperature below about 170.degree. C. The total mole ratio of glyoxal to phenol charged to the reaction mixture is about 0.15 to 0.22 moles of glyoxal for each mole of phenol. The glyoxal is added continuously or by stepwise additions to the phenol so as to keep the aldehyde units in the reaction mixture to less than about 70% of the aldehyde units in the total quantity of glyoxal to be charged for making the polyphenol. Water is distilled stepwise or continuously from the reaction mixture.Type: GrantFiled: September 22, 1998Date of Patent: December 14, 1999Assignee: Borden Chemical, Inc.Inventor: Arthur Harry Gerber
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Patent number: 5945491Abstract: The present invention is directed to a process of atom (or group) transfer radical polymerization for the synthesis of novel homopolymer or a block or graft copolymer, optionally containing at least one polar group, with well defined molecular architecture and narrow polydispersity index, in the presence of an initiating system comprising (i) an initiator having a radically transferrable atom or group, (ii) a transition metal compound, and (iii) a ligand; the present invention is also directed to the synthesis of a macromolecule having at least two halogen groups which can be used as a macroinitiator component (i) to subsequently form a block or graft copolymer by an atom or group transfer radical polymerization process; the present invention is also directed to a process of atom or group transfer radical polymerization for the synthesis of a branched or hyperbranched polymer; in addition, the present invention is directed to a process of atom or group transfer radical polymerization for the synthesis of a maType: GrantFiled: September 30, 1997Date of Patent: August 31, 1999Assignee: Carnegie-Mellon UniversityInventors: Krzysztof Matyjaszewski, Simion Coca, Scott G. Gaynor, Yoshiki Nakagawa, Seong Mu Jo
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Patent number: 5717053Abstract: There is provided a co-condensation product obtainable by subjecting a p-alkylphenol to reaction with formaldehyde in the presence of an alkali catalyst to prepare a resol type condensate, and subjecting the resulting resol type condensate to reaction with a m-substituted phenol such as resorcin in the presence of an acid catalyst, wherein the content of the m-substituted phenol is not higher than 4% by weight, and the content of a component having a molecular weight not higher than 1,000 excluding both the p-alkylphenol and the m-substituted phenolis at least 25% by weight based on the total weight of the co-condensation product. This co-condensation product is low in fuming and in hygroscopic properties, exhibits excellent adhesiveness in vulcanizing adhesion between rubber and a reinforcing material, and further provides a vulcanized rubber article of high hardness.Type: GrantFiled: March 24, 1995Date of Patent: February 10, 1998Assignee: Sumitomo Chemical Company, LimitedInventors: Naoki Inui, Hideo Nagasaki, Manji Sasaki, Kazuaki Yamamoto, Hironobu Iyama
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Patent number: 5651995Abstract: A nitrile group-containing highly saturated copolymer rubber which is a product obtained by hydrogenating the conjugated diene portion of an unsaturated nitrile-conjugated diene copolymer. The highly saturated copolymer rubber has an alkylthio group having 12 to 16 carbon atoms, which include at least three tertiary carbon atoms, and having a sulfur atom which is directly bound to at least one of the tertiary carbon atom, and the highly saturated copolymer rubber further has a Mooney viscosity of 15 to 200 and an iodine value not larger than 80. The highly saturated copolymer rubber is produced copolymerizing an unsaturated nitrile, a conjugated diene and an optional copolymerizable monomer by using as a molecular weight modifier an alkylthiol compound having 12 to 16 carbon atoms, which include at least three tertiary carbon atoms, and having a sulfur atom which is directly bound to at least one of the tertiary carbon atoms; and then, hydrogenating the thus-obtained copolymer.Type: GrantFiled: June 7, 1995Date of Patent: July 29, 1997Assignee: Nippon Zeon Co., Ltd.Inventors: Motofumi Oyama, Yoshiaki Aimura, Kazuyoshi Nakajima, Osamu Mori, Mitsugu Ishihara
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Patent number: 5552509Abstract: A phenolic resin composition herein disclosed comprises, as essential components, (i) at least one phenol resin A selected from the group consisting of residues formed through purification of bisphenol A, residues obtained by cleaving the bisphenol A-purification residue, condensates of the bisphenol A-purification residue obtained by reacting the bisphenol A-purification residue with formaldehyde and condensates of the cleavage residue obtained by reacting the cleavage residue with formaldehyde, and (ii) at least one phenolic resin B selected from the group consisting of high-boiling fraction obtained through production of bisphenol F and condensates of the high-boiling fraction obtained by reacting the high-boiling fraction with formaldehyde.Type: GrantFiled: August 31, 1993Date of Patent: September 3, 1996Assignee: Mitsui Toatsu Chemicals, Inc.Inventors: Tomoko Takashima, Shigeru Iimuro, Takashi Kitamura
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Patent number: 5328945Abstract: A polyphenylene ether/polyamide resin composition comprising:(A) polyphenylene ether modified with an unsaturated carboxylic acid having (a) an ethylenically unsaturated double bond and (b) either a carboxyl group or an acid anhydride group,(B) 6,6-nylon,(C) 6-nylon, and optionally(D) a montanic acid metal salt.This composition is possesses good flowability, heat resistance, solvent resistance, dimensional stability, and moreover good releasability from a mold and recyclability on the basis of advantages of polyphenylene ether (PPE) and polyamide, and can be used for manufacturing automobile parts such as wheel caps, fenders, bumpers and spoilers, or housings for office automation machines, etc.Type: GrantFiled: December 14, 1992Date of Patent: July 12, 1994Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Yasumasa Norisue, Goro Shimaoka, Hideo Uno
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Patent number: 5162156Abstract: An adhesion promoting composition for enhancing adhesion between an elastomeric substrate and a metal surface which, when applied at least in substantial contact with the metal surface, produces an elastomer-metal adhesive bond that withstands high temperature fluid and corrosive material environments and that can be applied without extensive pretreatment of the metal surface. The adhesion promoting composition comprises a phenolic resin derived from a first phenolic component, a second phenolic component, and a formaldehyde source, wherein the first phenolic component is a monohydroxy aromatic compound, a dihydroxy aromatic compound or a combination thereof, and the second phenolic component is a trihydroxy aromatic compound. A two-part adhesive composition containing a primer component and an overcoat component is also disclosed.Type: GrantFiled: September 21, 1990Date of Patent: November 10, 1992Assignee: Lord CorporationInventors: Ernest B. Troughton, Jr., Helmut W. Kucera
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Patent number: 5151494Abstract: The invention is a polyester and a method for producing a polyester filament which has a combination of flame resistance and low pilling properties. The method comprises forming a polyester polymer from a mixture consisting essentially of terephthalate acid or dimethyl terephthalate, ethylene glycol, a chain branching agent having a functionality of at least 3 and a phosphinic acid in the amount between 0.5 and 20 mole percent of the terephthalate acid and monomer. In particular, the invention also comprises the enhanced fiber formed by the process, as well as the fabrics having a pilling of about 3 to less than 5 as measured in accordance with ASTM D-3512-82.Type: GrantFiled: January 4, 1991Date of Patent: September 29, 1992Assignee: Hoechst Celanese CorporationInventors: Jerry T. Munday, Theodore D. Meiss
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Patent number: 5141992Abstract: A phenolic resin composition comprising 20-40 parts by weight of a resole type phenolic resin, 5-15 parts by weight of a novolac type phenolic resin, 3-10 parts by weight of a carboxy-modified acrylonitrile-butadiene rubber and 35-65 parts by weight of an inorganic filler.Type: GrantFiled: October 18, 1990Date of Patent: August 25, 1992Assignee: Sumitomo Bakelite Company LimitedInventors: Ken Katoh, Keiji Ooi, Shinji Ikeda
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Patent number: 5075415Abstract: A novel adhesive composition capable of bonding strongly polyester fibers and rubbers with reduced adhesive deterioration even at high temperatures is provided which comprises, as a predominant component, a co-condensation resin obtained by co-condensing at least one member selected from compounds (I) represented by the following general formula, ##STR1## wherein R.sub.1 and R.sub.2 are hydrogen atoms, alkyl groups or alkoxy groups, the sum of carbon atoms of R.sub.1 and R.sub.2 being 0 to 4, at least one member selected from compounds (II) represented by the following general formula, ##STR2## wherein R.sub.3, R.sub.4 and R.sub.5 are hydrogen atoms or alkyl groups, the sum of carbon atoms of R.sub.3, R.sub.4 and R.sub.5 being 0 to 4, and aldehyde.Type: GrantFiled: November 15, 1989Date of Patent: December 24, 1991Assignee: Bridgestone CorporationInventors: Toshihiro Yotsumoto, Koichi Morita, Takeshi Kinoshita
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Patent number: 5030692Abstract: Low fuming and less hygroscopic rubber compounding cashew nut shell liquid, allylphenol and alkylphenol modified resorcinolic novolak resins are made by condensing (A) a resol prepared by first reacting at least one monovalent phenol having the general formula (a) ##STR1## wherein R.sub.1 may be selected from the group consisting of hydrogen, an allyl, an alkyl of 1 to about 20 carbon atoms and an aryl having about 6 to about 12 carbon atoms, with methylformcel and/or furfural in the presence of an alkaline catalyst, or optionally reacting at least one monovalent phenol of the above-mentioned general formula (a) and cashew nut shell liquid, with methylformcel and/or furfural in the presence of an alkaline catalyst; and then (B) reacting the product of Step (A) with at least one of the compounds having the general formula (b) ##STR2## wherein R.sub.2 and R.sub.3 may be the same or different radicals selected from the group consisting of --H, --OH, --NH.sub.Type: GrantFiled: December 19, 1989Date of Patent: July 9, 1991Assignee: Indspec Chemical CorporationInventor: Bojayan Durairaj
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Patent number: 4857597Abstract: This invention relates to a thermoplastic formulation having a first part comprising, (i) a blend of a polyphenylene ether and a polyvinyl aromatic and (ii) a nuclear halogenated polyvinyl aromatic flame retardant, and a second part, in admixture with the first part, comprising a Diels-Alder adduct having the formulaA--R--(A).sub.nwherein n is 0, 1 or 2 and A is a polyhalogenated cycloalkylene or cycloalkyl group and R is as defined herein.Type: GrantFiled: February 1, 1988Date of Patent: August 15, 1989Assignee: Ethyl CorporationInventor: Robert A. Schleifstein
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Patent number: 4465807Abstract: A process for the preparation of reinforced vulcanizates which process comprises vulcanizing a mixture comprising rubber, a novolak and at least one reactive melamine resin obtained by reaction of one mol of melamine with 0.5 to 6 mols of aldehyde, said melamine resin being present in an amount of from 0.5 to 120% by weight, based on the weight of the novolak resin, and the phenolic component of said novolak resin being selected from the group consisting of phenol, polynuclear polyphenols, alkylphenols, a combination of alkylphenols with phenol, and a combination of at least one of said phenols with a further phenol selected from the group consisting of resorcinol, phenylphenol and polyalkylphenols. The invention also includes rubber articles prepared from a product of such a process.Type: GrantFiled: August 30, 1983Date of Patent: August 14, 1984Assignee: Hoechst AktiengesellschaftInventors: Arnold Giller, Joachim Weil
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Patent number: 4427814Abstract: A polyphenylene ether resin composition having improved heat stability and good color, said composition comprising a polyphenylene ether resin matrix, and dispersed therein, a diphosphonite of the formula ##STR1## wherein R.sub.1 groups are identical or different and each represents a linear or branched alkyl group having 1 to 10 carbon atoms.Type: GrantFiled: March 15, 1983Date of Patent: January 24, 1984Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Akitoshi Sugio, Masanobu Masu, Masao Okabe, Yukio Sasaki, Kozo Ishiyama
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Patent number: 4308180Abstract: A rubber composition comprising vulcanizable natural or synthetic rubber and a sulfide resin produced by (1) reacting a component (A) with a componet (B), followed by reacting with a component (D), or (2) reacting a component (A) with a component (B), followed by reacting with a component (C) and a component (D) simultaneously or sequentially, and if desired reacting the resulting phenol resin with an acylating agent, the component (A) being a phenol compound of the following formula, and/or an acylated compound thereof, ##STR1## wherein R.sub.1 and R.sub.2 are each a hydrogen atom, a hydroxyl, carboxyl, amino, C.sub.1 -C.sub.18 alkyl, C.sub.3 -C.sub.10 cycloalkyl, C.sub.3 -C.sub.10 cycloalkenyl or C.sub.7 -C.sub.12 aralkyl group or a phenyl group unsubstituted or substituted with at least one C.sub.1 -C.sub.Type: GrantFiled: March 19, 1980Date of Patent: December 29, 1981Assignee: Sumitomo Chemical Company, LimitedInventors: Haruki Okamura, Tetsuo Yamaguchi, Tamaki Ishii
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Patent number: 4260704Abstract: Resins having a softening point of from 50.degree. to 130.degree. C., an OH-number of from 250 to 400 and an iodine number of from 90 to 160, obtainable by reacting an alkyl phenol-formaldehyde novolak or an alkyl phenol mixture-formaldehyde novolak under acid-catalysed conditions with a polunuclear phenol or polynuclear phenol mixture and formaldehyde and/or an aliphatic aldehyde or aliphatic aldehyde mixture, the ratio by weight of the alkyl phenol or alkyl phenol mixture to the polynuclear phenol or polynyclear phenol mixture being from 2.2:1 to 1:10.Type: GrantFiled: October 10, 1978Date of Patent: April 7, 1981Assignee: Bayer AktiengesellschaftInventors: Manfred Schmidt, Theo Kemperman, Dieter Freitag, Hermann Fries, Erich Esch
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Patent number: 4257926Abstract: A method is disclosed for adhering rubber and reinforcing materials simultaneously with vulcanization, without defects such as fume and bloom phenomena of formaldehyde-acceptors, deliquescence and blocking, which is characterized in the use of a vulcanizable rubber composition containing an improved co-polycondensate resin which is prepared by condensing (A) a resol type pre-polycondensate prepared by at least one phenol and formaldehyde or acetaldehyde in the presence of an alkaline catalyst, and (B) resorcinol, m-aminophenol or the like, while distilling off water present in the reaction system, and then solidifying the reaction mixture.Type: GrantFiled: January 24, 1978Date of Patent: March 24, 1981Assignee: Sumitomo Chemical Company, LimitedInventors: Shozo Tanimura, Yasuhisa Saito, Hiroshi Horiuchi, Kazunori Mieno, Shinji Nakao, Takaaki Nakano, Kenzo Kamei
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Patent number: 4188312Abstract: The invention relates to surface-coating binders and to their use.The surface-coating binders, which are substantially free from epoxide groups, are based on a reaction product of (A) a Mannich base obtained from one or more polyhydric phenols which are free from ether groups and contain two or more aromatic rings, and/or one or more monohydric or polyhydric phenols which contain one or more ether groups and contain two or more aromatic rings, one or more secondary amines which contain one or two hydroxyalkyl groups and which may or may not be mixed with secondary dialkylamines or dialkoxyalkylamines, and formaldehyde or a formaldehyde donor, and (B) an epoxy resin, the reaction product of (A) and (B) additionally containing, built into its chemical structure, an olefinically unsaturated alkylphenol of the general formula (I) ##STR1## where R is a radical of 11 to 19 carbon atoms which contains from one to three carbon-carbon double bonds.Type: GrantFiled: December 14, 1978Date of Patent: February 12, 1980Assignee: BASF AktiengesellschaftInventors: Fritz E. Kempter, Eberhard Schupp, Rainer Blum
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Patent number: 4167540Abstract: A rubber composition having improved tackiness and comprising a natural or synthetic rubber and as a tackifier from 0.3 to 15% by weight (referred to the rubber) of a modified alkylphenol novolak prepared from(A) a phenol component selected from the group consisting of(i) a monoalkylphenol having from 3 to 18 carbon atoms in the alkyl group, and(ii) a mixture of (i) with up to 30 mol% of a dialkylphenol having a total of from 6 to 24 carbon atoms in the alkyl groups with(B) a substance which is at least trifunctional with respect to formaldehyde and(C) formaldehydeWherein the molar ratio of one of components (i) and (ii): (B) is from 70:30 to 99:1, a method for its preparation and a molded article prepared therefrom.Type: GrantFiled: August 2, 1976Date of Patent: September 11, 1979Assignee: Hoechst AktiengesellschaftInventors: Arnold Giller, Wolfgang Hesse