Two Or More Separate Aryl-oh Groups Patents (Class 524/333)
  • Patent number: 4822839
    Abstract: A polyunsaturated hydrocarbon polymer-compatible anti-oxidant composition is provided which comprises a mixture of at least one sterically hindered phenolic compound and at least one aryl amine compound in a molar ratio ranging from about 0.1 to about 10.
    Type: Grant
    Filed: November 25, 1987
    Date of Patent: April 18, 1989
    Assignee: Hercules Incorporated
    Inventor: Martin J. Paisner
  • Patent number: 4810740
    Abstract: Composition containing an organic material sensitive to oxidative, thermal and/or actinic degradation and a compound of the formula I ##STR1##
    Type: Grant
    Filed: July 15, 1987
    Date of Patent: March 7, 1989
    Assignee: Ciba-Geigy Corporation
    Inventors: Paul Dubs, Rita Pitteloud
  • Patent number: 4745146
    Abstract: Thermoplastically processable polyamide moulding compositions which are equipped with inorganic reinforcing materials and contain 3 to 40% by weight, relative to the amount of polyamide, of bisphenols of the formula (I) ##STR1## where R stands for CH.sub.3, CH.sub.3 O, C.sub.2 H.sub.5 group,m and n independently of each other denote whole numbers from 0 to 4 andX denotes a chemical bond, a C.sub.1 -C.sub.7 -alkylene or C.sub.5 -C.sub.6 -cycloalkylene radical, O, S, SO, SO.sub.2, CO or O--(CH.sub.2).sub.p --O-- with p=2 to 10and with the proviso that the sum of the aliphatic C atoms of all the radicals bonded to the phenol rings is <6.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: May 17, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rolf-Volker Meyer, Rolf Dhein, Dietrich Michael, Heinz-Josef Fullmann
  • Patent number: 4720514
    Abstract: Resinous pigment concentrates comprising at least one pigment and a dispersing additive of a naphthenic extender oil and/or a phosphate ester blended with a major portion of a resinous polymer containing a significant proportion of at least one polymerized conjugated diene monomer, when used for coloring resinous polymers as described, are effective in reducing such defects in finished articles as gels and surface blemishes.
    Type: Grant
    Filed: February 13, 1986
    Date of Patent: January 19, 1988
    Assignee: Phillips Petroleum Company
    Inventor: Donald G. Needham
  • Patent number: 4713405
    Abstract: An .alpha.-cyanoacrylate adhesive composition of matter consisting essentially of .alpha.-cyanoacrylate, fumed silica treated on the surface with dimethyldichlorosilane, and trialkyl borate, the trialkyl borate being expressed by the general formula B(OR).sub.3 wherein R represents any alkyl groups having carbon numbers 1 through 18. Although to this composition of matter, improved thixotropy high in stability are obtained and significant improvements are effected not only in the ineffectiveness of workability but in the restrictions on the range of work which were both problems of conventional adhesives.
    Type: Grant
    Filed: June 27, 1986
    Date of Patent: December 15, 1987
    Assignee: Koatsu Gas Kogyo Co., Ltd.
    Inventors: Mitsuyuki Koga, Kenichiro Hirai, Toshio Sugimae, Setsuo Fukushige
  • Patent number: 4707300
    Abstract: This invention is concerned with the stabilization of oxidizable organic materials such as rubbers, oils, plastics and the like through the addition of an autosynergistic phenolic antioxidant reaction product to the oxidizable organic material. More specifically, this invention is directed to a definitive process for the preparation of an alkylated phenol/formaldehyde/mercaptan reaction product comprising the simultaneous acid catalyzed reaction of specific reactants at specific molar ratios under azeotroping conditions and the use of the reaction product in oxidizable organic materials.
    Type: Grant
    Filed: March 9, 1987
    Date of Patent: November 17, 1987
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Budd H. Sturm, Joseph A. Kuczkowski
  • Patent number: 4699941
    Abstract: Hot melt pressure sensitive adhesive prepared from (a) a rubbery block copolymer containing a rubbery polyisoprene midblock portion and a plurality of crystalline poly(vinylarene) endblocks; (b) a tackifying resin compatible with the midblock portion and (c) poly(alkyloxazoline); and (d) an antioxidant. These adhesives are characterized by exceptional elastic memory, high tensile strength and excellent peel adhesion and, as such, are especially suited for use in elasticized bands for disposable items.
    Type: Grant
    Filed: August 12, 1985
    Date of Patent: October 13, 1987
    Assignee: National Starch and Chemical Corporation
    Inventor: Catherine E. Salerno
  • Patent number: 4699942
    Abstract: Compositions suitable for molding are produced by examining a (1) polyethylene terephthalate polyester, (2) a low molecular weight polyethylene mold release agent (3) talc as nucleating agent, (4) carbon black, (5) a hindered phenolic antioxidant and (6) other optional ingredients such as reinforcing glass fibers.
    Type: Grant
    Filed: August 30, 1985
    Date of Patent: October 13, 1987
    Assignee: Eastman Kodak Co.
    Inventors: James C. Weaver, Wayne P. Pruett
  • Patent number: 4684681
    Abstract: The melt viscosity of thermoplastic polyphenylene ether resins and compositions thereof with compatible thermoplastic resins is decreased when the melt has a small content of a diaryl sulfide wherein each aryl group adjacent to the sulfide linkage contains at least one --OH substituent (or ester thereof with a monobasic acid containing at least six carbon atoms).
    Type: Grant
    Filed: February 19, 1985
    Date of Patent: August 4, 1987
    Assignee: General Electric Company
    Inventors: Gim F. Lee, Jr., Walter K. Olander
  • Patent number: 4673701
    Abstract: Alkylidene bisphenol phosphites and phosphates having 2,2,6,6-tetramethyl piperidinyl groups are provided having the formula: ##STR1## wherein: R.sub.1 is alkyl having from one to about twelve carbon atoms;R.sub.2, R.sub.3 and R.sub.4 are each selected from the group consisting of hydrogen and alkyl having from one to about twelve carbon atoms;m is 0 or 1;n is 0 or 1;X is selected from the group consisting of ##STR2## wherein: R.sub.5 is selected from the group consisting of hydrogen, oxyl O.sup.2, alkyl having from one to about twelve carbon atoms; arylalkyl having from seven to about eighteen carbon atoms; 2,3-epoxypropyl, acyl having from one to about eight carbon atoms and ##STR3## in which R.sub.6 is selected from the group consisting of hydrogen, alkyl having from one to about twelve carbon atoms and phenyl, and Y.sub.1 is selected from the group consisting of hydrogen; acyl having from one to about twelve carbon atoms; and ##STR4## Z.sub.1 is selected from the group consisting of ##STR5## wherein R.
    Type: Grant
    Filed: December 28, 1984
    Date of Patent: June 16, 1987
    Assignee: Adeka Argus Chemical Co., Ltd.
    Inventors: Motonobu Minagawa, Yutaka Nakahara, Toshihiro Shibata, Ryozo Arata
  • Patent number: 4629763
    Abstract: A composition comprising (A) a polyphenol such as bisphenol A, (B) a polymer resulting from polymerizing (1) an alkenyl phenol such as p-isopropenylphenol and (2) a polymerizable ethylenically unsaturated monomer such as 2-ethylhexyl acrylate can be converted to a copolymer modified polycyanate by reaction with a cyanogen halide such as cyanogen chloride in the presence of a base such as triethylamine. These polycyanates can be cured by trimerization in the presence of a suitable catalyst or by copolymerization with an epoxy resin. Epoxy resins can also be prepared from the composition comprising components (A) and (B) by reaction with an epihalohydrin such as epichlorohydrin and subsequent dehydrohalogenation with a basic acting compound such as sodium hydroxide.
    Type: Grant
    Filed: March 24, 1986
    Date of Patent: December 16, 1986
    Assignee: The Dow Chemical Company
    Inventor: Robert E. Hefner, Jr.
  • Patent number: 4629764
    Abstract: A composition comprising (A) a polyphenol such as bisphenol A, (B) a polymer resulting from polymerizing (1) an alkenyl phenol such as p-isopropenylphenol and (2) a polymerizable ethylenically unsaturated monomer such as 2-ethylhexyl acrylate can be converted to a copolymer modified polycyanate by reaction with a cyanogen halide such as cyanogen chloride in the presence of a base such as triethylamine. These polycyanates can be cured by trimerization in the presence of a suitable catalyst or by copolymerization with an epoxy resin. Epoxy resins can also be prepared from the composition comprising components (A) and (B) by reaction with an epihalohydrin such as epichlorohydrin and subsequent dehydrohalogenation with a basic acting compound such as a sodium hydroxide.
    Type: Grant
    Filed: March 24, 1986
    Date of Patent: December 16, 1986
    Assignee: The Dow Chemical Company
    Inventor: Robert E. Hefner, Jr.
  • Patent number: 4629762
    Abstract: A composition comprising (A) a polyphenol such as bisphenol A, (B) a polymer resulting from polymerizing (1) an alkenyl phenol such as p-isopropenylphenol and (2) a polymerizable ethylenically unsaturated monomer such as 2-ethylhexyl acrylate can be converted to a copolymer modified polycyanate by reaction with a cyanogen halide such as cyanogen chloride in the presence of a base such as triethylamine. These polycyanates can be cured by trimerization in the presence of a suitable catalyst or by copolymerization with an epoxy resin. Epoxy resins can also be prepared from the composition comprising components (A) and (B) by reaction with an epihalohydrin such as epichlorohydrin and subsequent dehydrohalogenation with a basic acting compound such as sodium hydroxide.
    Type: Grant
    Filed: March 24, 1986
    Date of Patent: December 16, 1986
    Assignee: The Dow Chemical Company
    Inventor: Robert E. Hefner, Jr.
  • Patent number: 4614757
    Abstract: A chelate of zinc with 4,4'-dihydroxydiphenyl sulfone is obtained in a solvent-free system for use as a color developer in carbonless copy paper systems. The 4,4'-dihydroxydiphenyl sulfone is solubilized in an aqueous medium by reacting with a water-soluble amine. A mineral matrix is then added followed by the addition of a zinc halide, preferably zinc bromide, to cause the chelate of zinc with 4,4'-dihydroxydiphenyl sulfone onto and within the structure of the mineral matrix. After removal of any excess zinc cations, and addition of any desired fillers, a binder is added and the composition coated onto the substrate.
    Type: Grant
    Filed: November 8, 1985
    Date of Patent: September 30, 1986
    Assignee: The Standard Register Company
    Inventor: Theodore Maierson
  • Patent number: 4611022
    Abstract: A composition comprising (A) a polyphenol such as bisphenol A, (B) a polymer resulting from polymerizing (1) an alkenyl phenol such as p-isopropenylphenol and (2) a polymerizable ethylenically unsaturated monomer such as 2-ethylhexyl acrylate can be converted to a copolymer modified polycyanate by reaction with a cyanogen halide such as cyanogen chloride in the presence of a base such as triethylamine. These polycyanates can be cured by trimerization in the presence of a suitable catalyst or by copolymerization with an epoxy resin. Epoxy resins can also be prepared from the composition comprising components (A) and (B) by reaction with an epihalohydrin such as epichlorohydrin and subsequent dehydrohalogenation with a basic acting compound such as sodium hydroxide.
    Type: Grant
    Filed: June 24, 1985
    Date of Patent: September 9, 1986
    Assignee: The Dow Chemical Company
    Inventor: Robert E. Hefner, Jr.
  • Patent number: 4576984
    Abstract: Compositions which are effective in stabilizing polymers against the deteriorative effects of heat are provided comprising (1) a mono-organotin compound or mixture of mono-organotin compounds, (2) a mercaptan-containing organic compound or mixture of mercaptan-containing organic compounds, and, optionally (3) a diorganotin compound or mixture of diorganotin compounds. Also provided are polymer compositions containing said stabilizers and articles of manufacture made from said stabilized polymer compositions.
    Type: Grant
    Filed: January 10, 1984
    Date of Patent: March 18, 1986
    Assignee: Morton Thiokol, Inc.
    Inventors: Robert E. Bresser, Keith A. Mesch, Karl R. Wursthorn
  • Patent number: 4558083
    Abstract: Compositions which are effective in stabilizing polymers against the deteriorative effects of heat are provided comprising (1) an organic tin compound or mixture of organic tin compounds, (2) an organic compound having an aromatic ring which is substituted with a hydroxyl (--OH) group and a mercapto (--SH) group ortho to each other, and, optionally, (3) an organotin mercaptide or mixture of organotin mercaptides. Also provided are polymer compositions containing said stabilizers and articles of manufacture made from said stabilized polymer compositions.
    Type: Grant
    Filed: January 10, 1984
    Date of Patent: December 10, 1985
    Assignee: Morton Thiokol, Inc.
    Inventor: Thomas G. Kugele
  • Patent number: 4556687
    Abstract: A developer system comprising a zinc chelate of 4,4'-dihydroxydiphenyl sulfone is provided for developing colorless dye precursors used in carbonless copy paper systems. The system preferably includes a styrene-methacrylic acid copolymer and a mineral matrix, especially sodium aluminosilicate, which promotes reactivity of the chelate. The developer system is particularly useful in coating compositions for carbonless second sheets.
    Type: Grant
    Filed: March 19, 1984
    Date of Patent: December 3, 1985
    Assignee: The Standard Register Company
    Inventor: Theodore Maierson
  • Patent number: 4513111
    Abstract: In a process comprising adding an ethylenic monomer or monomer mixture (B) to a rubbery polymer (A) latex, emulsion-polymerizing it to produce a graft copolymer (C) latex, then adding an acidic substance or an electrolyte to said graft copolymer (C) latex to partially coagulate the latex, thereafter either first adding an ethylenic monomer or monomer mixture (D) and then adding a suspension polymerization stabilizer or simultaneously adding an ethylenic monomer or monomer mixture (D) and a suspension polymerization stabilizer, and carrying out suspension polymerization to obtain a graft copolymer (E) in the form of beads, a process for producing an impact-resistant resin wherein:(1) said rubbery polymer (A) contains at least 60% by weight of a diene monomer component and has a degree of swelling of 10-35, a gel content of 70% by weight or more and a weight average particle diameter of 0.2-0.5.mu. and the major part of the particles has a particle diameter ranging from 0.03.mu. to 1.0.mu.
    Type: Grant
    Filed: March 8, 1983
    Date of Patent: April 23, 1985
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Kazuo Kishida, Naoki Yamamoto, Kozi Nishida, Toshihito Narita, Yasumasa Sato
  • Patent number: 4508861
    Abstract: A thermally stabilized polyetherimide composition is disclosed which contains a polyetherimide and a stabilizing amount of an antioxidant having a molecular weight of 400 and is selected from the group of hindered phenols, aryl phosphonites, organic phosphites, thioesters or mixtures thereof. The stabilized polyetherimides exhibit a prolonged stability under conditions of elevated temperatures.
    Type: Grant
    Filed: December 29, 1983
    Date of Patent: April 2, 1985
    Assignee: General Electric Company
    Inventor: Roger W. Avakian
  • Patent number: 4507420
    Abstract: The invention relates to phenols which contain a number of aromatic nuclei and in which the bridge formation of these nuclei is in the meta-position to the OH groups. These phenols have the formula I, ##STR1## or ##STR2## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, A and n are as defined in claim 1.The novel phenols are most suitable for use as stabilizers for organic polymers and lubricants and have particularly good color properties.
    Type: Grant
    Filed: February 1, 1984
    Date of Patent: March 26, 1985
    Assignee: Ciba-Geigy Corporation
    Inventor: Siegfried Rosenberger
  • Patent number: 4474918
    Abstract: Disclosed are polyester compositions having special utility in film or sheet form having improved gas and water barrier properties, and comprising homo- or copolyesters derived from terephthalic acid or mixtures of terephthalic acid with acids such as isophthalic, 2,6-naphthalene dicarboxylic, and the like, and a glycol component such as ethylene glycol or 1,4-cyclohexanedimethanol, blended with from about 1 to about 30 weight % of certain bisphenols such as bisphenol-A, and naphthalene diols. Films or sheets of these compositions are characterized by having greatly reduced oxygen, carbon dioxide and water vapor permeabilities.
    Type: Grant
    Filed: May 31, 1983
    Date of Patent: October 2, 1984
    Assignee: Eastman Kodak Company
    Inventors: Robert W. Seymour, Ronald R. Light
  • Patent number: 4452937
    Abstract: The disclosure of this application is directed to a composition, devoid of added mineral filler, comprising an ethylene polymer and an organo titanium chelate as a water treeing inhibitor. The compositions can be extruded about electrical conductors providing insulation thereon which is resistant to deterioration in the presence of moisture and/or an electrical field.
    Type: Grant
    Filed: November 5, 1982
    Date of Patent: June 5, 1984
    Assignee: Union Carbide Corporation
    Inventor: Michael J. Keogh
  • Patent number: 4440891
    Abstract: Compositions which are effective in stabilizing polymers against the deteriorative effects of heat are provided comprising (1) an organic antimony compound or mixture of organic antimony compounds and (2) an organic compound or mixture of organic compounds having an aromatic ring which is substituted with hydroxy (--OH) and mercapto (--SH) groups ortho to each other. Also provided are polymer compositions containing said stabilizers and articles of manufacture made from said stabilized polymer compositions.
    Type: Grant
    Filed: August 9, 1982
    Date of Patent: April 3, 1984
    Assignee: Carstab Corporation
    Inventors: Jack D. Taylor, Kenneth V. Smith
  • Patent number: 4424293
    Abstract: In producing a crosslinked polypropylene foam, 0.5 to 4 parts by weight of a compound selected from triacrylate and trimethacrylate of aliphatic polyhydric alcohol and a blowing agent are mixed with 100 parts by weight of propylene homopolymer or copolymer. Then, the mixture is shaped under heat, followed by irradiation with an ionizing radiation such that the dose of the radiation absorbed by the shaped mass ranges between 0.1 and 10 Mrad. Finally, the irradiated mass is heated for foaming.
    Type: Grant
    Filed: December 28, 1981
    Date of Patent: January 3, 1984
    Assignee: The Furukawa Electric Co., Ltd.
    Inventors: Akio Nojiri, Takashi Sawasaki, Toshio Koreeda
  • Patent number: 4423174
    Abstract: Synthetic resin compositions of improved resistance to deterioration by heat and light are provided containing a 2,2,6,6-tetramethyl piperidyl ether having the formula: ##STR1## The compounds of the invention can be prepared by the reaction of the 2,2,6,6-tetramethyl piperidyl alcohol R.sub.1 -OH with (poly) trimethylol alkane, (poly) pentaerthritol, or an alcohol containing an oxetane ring, to form the ether.The etherification is carried out by the conventional method, for example, by the reaction of R.sub.1 -OH with the organic sulfonate of the above-mentioned alcohols, or by the reaction of R.sub.1 -OH with the halogenated above-mentioned alcohols in the presence of an alkali or acid acceptor.The compounds where n is equal to 2 or more can be prepared by chain opening polymerization of the corresponding compound containing the oxetane ring.
    Type: Grant
    Filed: July 26, 1982
    Date of Patent: December 27, 1983
    Assignee: Adeka Argus Chemical Co., Ltd.
    Inventors: Motonobu Minagawa, Naohiro Kubota, Ryoji Kimura
  • Patent number: 4419471
    Abstract: Disclosed are improved styrene-butadiene (SBR) core-alkyl acrylate/methacrylate shell-polymer compositions and an improved process for applying patterns to textiles by screen printing employing these polymer compositions as binders. The process for preparing the improved polymers is also set forth. The core comprises an SBR copolymer which contains an antioxidant and is at least partially encased by an integral shell of a copolymer of an alkyl acrylate or methacrylate which is formed by copolymerization with an ultraviolet light stabilizer. When used as binders for screen printing, these compositions produce textiles which exhibit a desirable combination of crock fastness, cyclic aging and hand properties.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: December 6, 1983
    Assignee: GAF Corporation
    Inventors: Suzanne Nelsen, Yehuda Ozari, Dru Alwani, Edward Wotier
  • Patent number: 4412025
    Abstract: A non-volatile, anti-gel compound having a chain of at least about 5 repeat units of an alkylene oxide and which is soluble in olefin polymers, and an inorganic anti-block agent having a substantially neutral pH are added to a film grade transition metal catalyzed resin containing halide residues such as Ziegler-Natta catalyzed olefin polymer compositions to prevent: (1) gel streaking/pinstriping during film extrusion processes; (2) blocking of the extruded film; and (3) discoloration of the extruded film upon aging. The anti-gel compound has a molecular weight between about 200 and about 4,000,000 Daltons.
    Type: Grant
    Filed: October 8, 1981
    Date of Patent: October 25, 1983
    Assignee: Union Carbide Corporation
    Inventors: Michael A. Corwin, George N. Foster
  • Patent number: 4369331
    Abstract: The disclosure of this application is directed to a composition, devoid of added mineral filler, comprising an ethylene polymer and an organo titanate as a water treeing inhibitor. The compositions can be extruded about electrical conductors providing insulation thereon which is resistant to deterioration in the presence of moisture and an electrical field.
    Type: Grant
    Filed: December 22, 1980
    Date of Patent: January 18, 1983
    Assignee: Union Carbide Corporation
    Inventor: Michael J. Keogh
  • Patent number: 4352900
    Abstract: This invention provides a formulation comprising a thermosetting polyester, p-methylstyrene, a hydroquinone stabilizer, and 4,4'-thiobis-(3-methyl-6-t-butyl)-phenol.
    Type: Grant
    Filed: December 31, 1980
    Date of Patent: October 5, 1982
    Assignee: Mobil Oil Corporation
    Inventor: James G. Murray