Aryl Group Which Is Not Fused Or Bridged Patents (Class 524/169)
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Patent number: 4782103Abstract: Ultra violet light resistant polycarbonates are produced having processing or heat stability by adding compatible UV absorbing compounds and aromatic sulfonimides. The UV absorbing compounds are used in amounts from about 0.01 to about 5.0% by weight and the sulfonimides are used in an amount from about 0.0001 to about 10.0%. The preferred UV absorber is 2-(2'-hydroxy-5'-t-octylphenyl)-benzotriazole. The preferred sulfonimide is N-(p-tolylsulfonyl)-p-toluenesulfonimide.Type: GrantFiled: August 19, 1987Date of Patent: November 1, 1988Assignee: The Dow Chemical CompanyInventor: Samuel A. Ogoe
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Rubber compositions and articles thereof having improved metal adhesion and metal adhesion retention
Patent number: 4745145Abstract: Rubber compositions and articles such as tires having improved metal adhesion and metal adhesion retention to brass and brass-plated metallic reinforcement. The improvement comprises admixing from about 0.2 to about 6.0 parts per hundred rubber (phr) of a compound selected from the group consisting of 3-amino-2-carboxy-4-chlorobenzophenone, 3-hydroxy-2-methyldiphenylamine and 5-amino-2-methyl-N-phenylbenzensulfonamide and mixtures thereof with a vulcanizable rubber composition prior to embedding the metallic reinforcement therein and curing. A method for improving the metal adhesion and metal adhesion retention between a vulcanizable rubber and brass or brass-plated metallic reinforcement includes the step of dispersing from about 0.2 to about 6.0 phr of a compound selected from the group consisting of 3-amino-2-carboxy-4-chlorobenzophenone, 3-hydroxy-2-methyldiphenylamine and 5-amino-2-methyl-N-phenylbenzenesulfonamide and mixtures thereof in a vulcanizable rubber composition prior to curing.Type: GrantFiled: September 14, 1983Date of Patent: May 17, 1988Assignee: The Firestone Tire & Rubber CompanyInventors: Steven E. Schonfeld, Frederick J. Ravagnani, Adel F. Halasa -
Patent number: 4745143Abstract: A salt resistant composition comprising a polyamide selected from the group consisting of: polyepsiloncaprolactam, polyhexamethylene adipamide; copolymers of caprolactam, hexamethylene diamine, and adipic acid; and mixtures thereof. The composition contains from 2 to 30 percent, and preferrably 4 to 30 percent based on the weight of the polyamide of a water insoluble plasticizer, and a copolymer of an alpha-olefin and an unsaturated carboxylic acid and derivatives thereof. The plasticizer has been found to enable the polyamide composition to maintain its flexibility upon exposure to a variety of salts. Preferred plasticizers include lauryl lactam and sulfonamides. Preferred are sulfonamide type plasticizers such as n-ethyl o,p-toluenesulfonamide; o,p-toluene sulfonamide, and toluene sulfonamide formaldehyde resin. The invention includes articles made from the composition.Type: GrantFiled: July 12, 1985Date of Patent: May 17, 1988Assignee: Allied-Signal Inc.Inventors: Charles D. Mason, Paul G. Galanty, Elmer D. Jones
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Patent number: 4657957Abstract: A method of regulating the coagulation characteristics of a binding agent aqueous dispersion which comprises adding thereto a compound of the formula ##STR1## in which R is an unsubstituted or hydroxy substituted alkyl or alkenyl radical,A is --O--CH.sub.2 --CH.sub.2 -- or --O--CH.sub.2 --CHOH--CH.sub.2 --,p is zero or 1,X is ##STR2## wherein r is an integer and both R.sub.x 's are hydrogen or one is a methyl or an ethyl radical and the other is a hydrogen atom,Y and Z are, independently, R--(A).sub.p --, as defined above, or a group as represented by but independent of X,m is zero or an integer 1 to 5, andn is an integer 2 to 6, the compound containing at least one group of the type represented by X, and being in free base, acid addition salt or quaternary ammonium salt form.Such modified binder dispersions are advantageous for the production of non-woven fabrics.Type: GrantFiled: January 15, 1986Date of Patent: April 14, 1987Assignee: Sandoz Ltd.Inventors: Hans-Peter Baumann, Marcel Grossmann
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Patent number: 4654387Abstract: Compounds corresponding to the following general formula: ##STR1## wherein R.sup.0 represents H or, together with R.sup.1, represents --CO-- when X represents --CO-- or, together with R.sup.2, represents --CO-- when X represents --CH.sub.2 --CO,a residue of R, R.sup.1 and R.sup.2, H, C.sub.1 -C.sub.4 alkyl, aryl, COOR.sup.5 or, when R.sup.0 represents H and X represents --CO--, ##STR2## and the other residues R, R.sup.1 and R.sup.2 represent H; R.sup.3 represents H or CH.sub.3 ;R.sup.4 represents C.sub.7 -C.sub.20 aralkyl;R.sup.5 represents H, C.sub.1 -C.sub.4 alkyl or C.sub.6 -C.sub.12 aryl;X represents a residue --(CH.sub.2).sub.n CO--, --(CH.sub.2).sub.n SO.sub.2, --CH.sub.2 --, --CH.sub.2 O--CO-- ##STR3## m represents 1 or 2; and n represents 0 or 1;are suitable for use as incorporable antiagers for polymers, particularly nitrile rubber.Type: GrantFiled: August 7, 1985Date of Patent: March 31, 1987Assignee: Bayer AktiengesellschaftInventors: Hans-Josef Buysch, Zsolt Szentivanyi, Josef Witte
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Patent number: 4626563Abstract: Flame retardant carbonate polymers containing an aromatic sulfimide, a monomeric or polymeric halogenated organic compound, a metal sulfate having a pka from 1 to 5 and a fibril forming polytetrafluoroethylene as additives in effective amounts give carbonate polymers that are not only flame retardant but are melt stable i.e. show little loss in molecular weight during processing or melt shearing.Type: GrantFiled: April 24, 1985Date of Patent: December 2, 1986Assignee: The Dow Chemical CompanyInventors: Samuel A. Ogoe, Kevin F. Dick
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Patent number: 4611019Abstract: The addition of small amounts of selected polyamides or polyesters to plasticized, melt extrudable polyvinyl alcohol homopolymer provides a composition with lower permeability to oxygen and other fixed gases.Type: GrantFiled: June 17, 1985Date of Patent: September 9, 1986Inventors: H. Harald Lutzmann, Gerald W. Miller
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Patent number: 4596582Abstract: Aramid fiber is coated with certain sulfonyl azides to improve adhesion to polymer matrices.Type: GrantFiled: July 13, 1983Date of Patent: June 24, 1986Assignee: E. I. Du Pont de Nemours and CompanyInventor: Francis M. Logullo, Sr.
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Patent number: 4579898Abstract: The drop in melt index observed when linear polyethylenes are melt processed is reduced by adding a small amount, e.g., about 0.01 to 2 weight percent of an aromatic sulfonhydrazide such as p-toluenesulfonhydrazide.Type: GrantFiled: December 24, 1984Date of Patent: April 1, 1986Assignee: Mobil Oil CorporationInventors: Peter J. Canterino, Fred C. Schwab
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Patent number: 4547526Abstract: In order to improve the flame-protection effect without substantially impairing the mechanical properties of the articles covered with the flame protection agent, the flame protection agent is provided with a compound in a proportion by weight of 7.5 to 30% which contains at least one sulfo group or sulfonium ion. This compound is preferably a water-soluble ammonium salt. As binder there is used an aqueous solution or aqueous dispersion of an organic material, particularly of an acrylate or of a polymer or copolymer having a base of acrylic acid ester. It is particularly advantageous if substantially open-cell polyurethane foam having a base of polyether is impregnated with such a flame-protection agent which contains an ammonium salt of an aminosulfonic acid in a proportion of about 12%. Polyurethane foams impregnated in this manner are particularly well suited for use in cushionings of articles or in premises for which class B1 fire protection is required.Type: GrantFiled: May 18, 1984Date of Patent: October 15, 1985Inventors: Manhal Al-Tabaqchali, Ludwig Wesch, Edgar Weiss
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Patent number: 4536532Abstract: Formed articles made from polyvinyl alcohol having an oxygen permeability of no more than about 1 cc mil/100 in.sup.2 24 hr atm. at 80% relative humidity, compositions suitable for use in manufacturing such articles and a process for manufacturing such articles by forming polyvinyl alcohol containing a non-hydroxyl plasticizer in a substantially water-free condition and cooling at a rate sufficiently slow to provide the enhanced impermeability, are disclosed.Type: GrantFiled: January 9, 1984Date of Patent: August 20, 1985Inventors: Gerald W. Miller, H. Harald Lutzmann
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Patent number: 4532284Abstract: Fire retardant carbonate polymer compositions having increased processing stability are disclosed. The use of metal sulfates or metal bisulfates having a pka from 1-5 in the amount from 0.001 to 1.0 percent by weight is effective to reduce molecular weight changes during melt shearing. The fire retardancy is provided by metal aromatic sulfimides.Type: GrantFiled: July 6, 1984Date of Patent: July 30, 1985Assignee: The Dow Chemical CompanyInventor: Samuel A. Ogoe
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Patent number: 4486560Abstract: A carbonate polymer such as a bisphenol-A homopolycarbonate containing a small amount of a metal salt of an aromatic sulfonamide, a metal salt of a perhalometalate complex, or a metal salt of an inorganic acid, a halogenated organic compound and, optionally, a melamine, exhibits improved flame retardant properties.Type: GrantFiled: March 3, 1983Date of Patent: December 4, 1984Assignee: The Dow Chemical CompanyInventor: Lowell S. Thomas
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Patent number: 4457930Abstract: 3-Iodopropargyl-sulphamides of the formula ##STR1## in which R represents hydrogen, alkyl, optionally substituted cycloalkyl, optionally substituted phenylalkyl, optionally substituted heterocyclylalkyl or optionally substituted phenyl, andR.sup.1 and R.sup.2 are identical or different and represent alkyl, orR.sup.1 and R.sup.2 represent an alkylene bridge which, together with the nitrogen atom at which they are located, form a ring which can be interrupted by further hetero atoms,which are microbicidally active.Type: GrantFiled: August 26, 1983Date of Patent: July 3, 1984Assignee: Bayer AktiengesellschaftInventors: Hans-Georg Schmitt, Wilfried Paulus, Hermann Genth, Wilhelm Brandes, Paul Reinecke, Hans Scheinpflug
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Patent number: 4455396Abstract: In order to improve the flame protection effect without substantially impairing the mechanical properties of the articles covered with the flame protection agent, the flame protection agent is provided with a compound in a proportion by weight of 7.5 to 30% which contains at least one sulfo group or sulfonium ion. This compound is preferably a water soluble ammonium salt. As binder there is used an aqueous solution or aqueous dispersion of an organic material, particularly of an acrylate or of a polymer or copolymer having a base of acrylic acid ester. It is particularly advantageous if substantially open-cell polyurethane foam having a base of polyether is impregnated with such a flame protection agent which contains an ammonium salt of an aminosulfonic acid in a proportion of about 12%. Polyurethane foams impregnated in this manner are particularly well suited for use in cushionings of articles or in premises for which class B1 fire protection is required.Type: GrantFiled: December 14, 1981Date of Patent: June 19, 1984Inventors: Manhal Al-Tabaqchall, Ludwig Wesch, Edgar Weiss
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Patent number: 4451599Abstract: An EVOH copolymer blend is extrudable to produce films of uniform caliper and excellent oxygen barrier properties. Aromatic sulfonamides are desirably utilized as plasticizers, and superior composite films including a layer of the plasticized EVOH are produced.Type: GrantFiled: April 19, 1982Date of Patent: May 29, 1984Assignee: American Can CompanyInventors: Thomas W. Odorzynski, Jack E. Knott, II
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Patent number: 4429063Abstract: Anaerobically curable sealant and adhesive compositions comprising polymerizable acrylate esters or methacrylate esters and a redox system as accelerator are stabilized by the addition of sulfamide derivatives containing the group ##STR1## The stabilization may be further improved by using the sulfamides in combination with phenolic anti-oxidants, particularly sterically hindered phenols, without reducing the curing rate of the compositions.Type: GrantFiled: September 15, 1982Date of Patent: January 31, 1984Assignee: W. R. Grace & Co.Inventor: Karl Reich
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Patent number: 4419464Abstract: An erasable ink for use in a ball point pen, particularly in a pressurized cartridge, is a fluid comprising at least 10% w of polyvinyl acetate or a copolymer of ethylene and vinyl acetate, and at least 10% w trichloroethylene. The ink preferably also contains at least 5% w of a solvent boiling in the range of 180.degree.-250.degree. C., a plasticizer boiling above 270.degree. C., a colorant, and a tackifier.Type: GrantFiled: July 29, 1982Date of Patent: December 6, 1983Assignee: Paul C. FisherInventors: Raymond S. Williams, Paul C. Fisher
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Patent number: 4414347Abstract: A rapid setting .alpha.-cyanoacrylate-based adhesive composition having an improved stabilizer therein. The stabilizer is a sulfamide derivative containing the group ##STR1## Stabilizing may be further improved by using the sulfamides in combination with phenolic anti-oxidants, particularly sterically hindered phenols, without reducing the curing rate of the composition.Type: GrantFiled: September 15, 1982Date of Patent: November 8, 1983Assignee: Teroson GmbHInventors: Karl Reich, Heinz Sieger
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Patent number: 4413079Abstract: A polyurethene powder enamel comprising a mixture of(a) an adduct of a uretidinedione dimer of isophorone diisocyanate and a diol having the following formula: ##STR1## n.gtoreq.1, and R'=a divalent aliphatic, cycloaliphatic, araliphatic, or aromatic hydrocarbon radical, which is the residue of the diol,wherein the ratio of NCO to OH groups in the formation of said condensation product is from 1:0.5 to 1;0.9, the mole ratio of uretidinedione to diol is from 2:1 to 6:5, the content of free isocyanate groups in said adduct is not greater than 8% by weight, and said adduct has a molecular weight between 500 and 4000 and a melting point between 70.degree. C. and 130.degree. C., and(b) a polyol having an OH-functionality of 2.2 to 3.5, an average molecular weight of 2000 to 4500, a hydroxyl number of 30 to 100 mg KOH/g, a viscosity of <80,000 mPa.s at 160.degree. C. and a melting point between 65.degree. C. and 120.degree. C.Type: GrantFiled: August 13, 1981Date of Patent: November 1, 1983Assignee: Chemische Werke Huls AGInventors: Josef Disteldorf, Rainer Gras, Horst Schnurbusch
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Patent number: 4399246Abstract: This invention is directed to a composition of matter which is derived from 50 to 75 parts of polyamide resin with a number average molecular weight of at least 11,000, plus 25 to 50 parts of a selected mineral filler, 0.2 to 0.9 parts of aminofunctional silane, and 0.2 to 0.9 parts of a selected sulfonamide. The composition provides molded parts with significantly improved falling-weight impact resistance at no sacrifice of rigidity under a wide variety of processing conditions.Type: GrantFiled: August 6, 1982Date of Patent: August 16, 1983Assignee: E. I. Du Pont de Nemours & Co.Inventor: Thomas J. Hyde
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Patent number: 4396698Abstract: A loaded polymer latex composition is disclosed. The composition comprises an aqueous polymer latex whose dispersed phase is made up of a specified cross-linked quaternary salt polymer loaded with a specified hydrophobic substance. The latex composition can be advantageously employed as a mordant polymer in a photographic element for a color diffusion transfer process. Use of the latex improves light resistance without lowering the maximum densities of the film images.Type: GrantFiled: June 8, 1982Date of Patent: August 2, 1983Assignee: Fuji Photo Film Co., Ltd.Inventors: Yukio Karino, Masakazu Morigaki, Shinji Sakaguchi
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Patent number: 4388403Abstract: Dispersions of hydrophobic substances in water are prepared by dissolving the hydrophobic substance together with an ionomeric polyaddition or condensation product in an organic, water-miscible solvent or a mixture of such a solvent with water, diluting the solution with water and removing the organic solvent. The dispersions are excellently suitable for the preparation of photographic recording materials.Type: GrantFiled: September 24, 1981Date of Patent: June 14, 1983Assignee: Agfa-Gevaert AktiengesellschaftInventors: Gunter Helling, Helmut Reiff, Wolfgang Himmelmann, Gunter Renner
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Patent number: 4382798Abstract: An anti-soiling treating agent comprising(a) a perfluoroalkyl-containing hybrid urethane compound (I) resulting from the addition reaction of two perfluoroalkyl-containing alcohols which have a difference in melting point of at least 20.degree. C. and are selected from compounds of the following formulaRf--A--B--OHwherein Rf represents a linear or branched perfluoroalkyl group, A is the group --CH.sub.2 --.sub.Type: GrantFiled: August 10, 1981Date of Patent: May 10, 1983Assignee: Dainippon Inc. & Chemicals Inc.Inventors: Yasuyuki Suzuki, Tadashi Ito
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Patent number: 4378444Abstract: Use of a selected sulfonamide has been found to reduce mold deposits and to lower volatility without impairing crystallization rates of polyethylene terephthalate molding blend which contains an ionic hydrocarbon copolymer or ionic salt of a hydrocarbon acid, over polyethylene terephthalate blends which contained the ionic component and other additives.Type: GrantFiled: May 12, 1982Date of Patent: March 29, 1983Assignee: E. I. Du Pont de Nemours and CompanyInventors: Sumner A. Barenberg, Frank P. Gay
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Patent number: 4351757Abstract: Use of a selected alkali metal salt of a polycarboxylic acid has been found to impart good crystallization and mold release properties to polyethylene terephthalate molding blends.Type: GrantFiled: October 24, 1980Date of Patent: September 28, 1982Assignee: E. I. Du Pont de Nemours and CompanyInventor: Guenther K. Hoeschele
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Patent number: 4347332Abstract: A blend of nylon and ethylene vinyl alcohol copolymer is provided which is suitable for conversion into films having desirable levels of strength and toughness, and good oxygen barrier properties. In addition, the blend exhibits enhanced adhesive qualities, as compared to films of EVOH copolymer per se, thus better adapting it for use in multilayer films. Methods for fabricating the resin blend into bare and composite films are also provided.Type: GrantFiled: April 1, 1981Date of Patent: August 31, 1982Assignee: American Can CompanyInventors: Thomas W. Odorzynski, Jack E. Knott, II
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Patent number: 4339372Abstract: Chloroprene is polymerized in an alkaline aqueous emulsion, containing a sulfonamide. The presence of the sulfonamide provides polychloroprene latices which are stabilized against aging.Type: GrantFiled: August 11, 1980Date of Patent: July 13, 1982Assignee: DistugilInventors: Paul Branlard, Jean-Pierre Merle