Three Or More Nitrogen Atoms In A Single Ring Patents (Class 526/261)
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Patent number: 4599389Abstract: Photographic elements and diffusion transfer assemblages described which contain a novel mordant comprising a polymeric backbone having appended thereto nitrogen-coordinating ligands having the formula: ##STR1## wherein D.sup.1, D.sup.2, and D.sup.3 each independently represents the atoms necessary to complete an aromatic heterocyclic nucleus having at least one ring of 5 to 7 atoms.In a preferred embodiment, the mordant comprises recurring units having the formula: ##STR2## wherein: R.sup.1 and R.sup.2 each independently represents hydrogen or an alkyl or substituted alkyl group having from 1 to about 6 carbon atoms;Link represents a bivalent linking group; andLIG represents a nitrogen-coordinating ligand as described above.Type: GrantFiled: October 24, 1985Date of Patent: July 8, 1986Assignee: Eastman Kodak CompanyInventors: James A. Reczek, Ignazio S. Ponticello, Philip S. Bryan
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Patent number: 4576973Abstract: The crosslinked, porous copolymer in the form of beads and containing 50 to 99.9% by weight of recurring units of a heterocyclic 5-membered ring compound which contains a polymerizable olefinic group and which has at least one protonizable nitrogen atom in the ring, 0.1 to 50% by weight of units of a crosslinking agent, 0 to 25% by weight of units of a polymerizable organoboron or organosilicon compound and, relative to 100% by weight of the sum of the abovementioned units, 5 to 350% by weight of units of an N-vinylamide of the general formula I CH.sub.2 .dbd.CH--N(R.sup.1)--C(R.sup.2).dbd.O wherein R.sup.1 denotes hydrogen, methyl or ethyl and R.sup.2 denotes hydrogen or C.sub.1 -C.sub.3 -alkyl, or several such N-vinylamides and 0 to 40% by weight of units of another polymerizable compound or several such compounds, is prepared by inverted suspension polymerization and is used, for example, as a sorbent for acid substances from solutions thereof, preferably aqueous solutions.Type: GrantFiled: June 22, 1984Date of Patent: March 18, 1986Assignee: Cassella AktiengesellschaftInventors: Karl-Heinz Keil, Fritz Engelhardt, Ulrich Greiner, Klaus Kuhlein, Reinhold Keller, Merten Schlingmann, Gerhard Hess
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Patent number: 4540728Abstract: Polymers of diallyl-1,3,5-triazino-4-(2,2,6,6-tetramethyl piperidyl) amines are provided, having a molecular weight within the range from about 800 to about 20,000, and derived from the monomer: ##STR1## wherein: R.sub.1 is selected from the group consisting of hydrogen; oxyl; alkyl and hydroxyalkyl having from one to about eighteen carbon atoms; alkylaryl having from seven to about eighteen carbon atoms; epoxy alkyl having from three to about eighteen carbon atoms; and acyl having from two to about eighteen carbon atoms;Y is selected from the group consisting of ##STR2## where R.sub.2 and R.sub.3 are hydrogen or alkyl having from one to about eight carbon atoms and n is 0 or 1;Z is selected from the group consisting of ##STR3## in which R.sub.4, R.sub.5 and R.sub.Type: GrantFiled: September 9, 1983Date of Patent: September 10, 1985Assignee: Adeka Argus Chemical Co., Ltd.Inventors: Yutaka Nakahara, Ryoji Kimura
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Basic compound, its polymer, a process for the preparation thereof and its use as ion exchange resin
Patent number: 4533678Abstract: Novel benzimidazolyl compounds which are basic compounds and have high polymerizability are disclosed. The basic compound of the present invention is prepared by reacting a vinylbenzaldehyde with an o-phenylenediamine compound, and can be used, for example, as a monomer for polymers. The benzimidazolylstyrene compounds are readily homopolymerized or copolymerized to provide linear homopolymers, linear copolymers or cross-linked copolymers having pendant benzimidazolylphenyl groups. These polymers have greater resistance to oxidation and chemicals than the homologues, and are useful as ion exchange resins, and as extractants of metals.Type: GrantFiled: March 13, 1984Date of Patent: August 6, 1985Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventor: Kunihiko Takeda -
Patent number: 4526920Abstract: In a curable coating composition comprising an acryloyl or methacryloyl cyanurate or isocyanurate compound, an acrylic or methacrylic ester compound and a polymerization initiator capable of curing said components; the improvement wherein said composition is composed of(A) 100 parts by weight of an acryloyl- or methacryloyl-oxyalkyl cyanurate or isocyanurate compound of the following formula (I) or (I)' ##STR1## wherein X.sup.1, X.sup.2, X.sup.3, R.sup.1, R.sup.2 and R.sup.3 are defined in claim 1(B) more than 0 to 1,000 parts by weight of a component selected from the group consisting of (b.sub.1) a polyacrylate or polymethacrylate with a number average molecular weight of about 240 to about 3,000 of an oxy- or polyoxy-alkanepolyol containing 1 or more ether linkages and 3 or more hydroxyl groups per molecule, and (b.sub.2) a poly(meth)acrylate of an alkanepolyol having 4 or more hydroxyl groups per molecule.(C) 0.Type: GrantFiled: August 2, 1983Date of Patent: July 2, 1985Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Takeshi Sakashita, Hajime Inagaki, Akira Todo, Takayuki Nakano
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Patent number: 4521577Abstract: A polymerizable liquid composition is disclosed, intended for preparing polymerizates having outstanding optical and physical properties, said composition consisting of a bis (allylcarbonate) of a dihydric alcohol oligomer, a bis (allylcarbonate) monomer of a dihydric or a trihydric alcohol, or an allyl ester, or a triallyl cyanurate or isocyanurate, and an acrylic or vinylic monomer, said composition being polymerized in bulk with the aid of at least one radicalic initiator. Highly transparent articles are obtained, which are very useful for fine optical applications.Type: GrantFiled: January 6, 1984Date of Patent: June 4, 1985Assignee: Enichimica S.p.A.Inventors: Ugo Romano, Fiorenzo Renzi, Franco Rivetti, Claudio Gagliardi
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Patent number: 4515934Abstract: Vinyl ester resin compositions containing triazine groups or both triazine and oxazoline groups are prepared by reacting (a) a polyepoxide containing triazine groups, or (b) a polyepoxide containing both triazine and oxazoline groups, or (c) a mixture of (a) and (b) above with (d) about 0.75 to about 1, preferably from about 0.9 to about 1, moles of a monounsaturated monocarboxylic acid or mixture of monounsaturated monocarboxylic acids per epoxide group in the presence of (e) a suitable quantity of a suitable catalyst.Type: GrantFiled: March 19, 1984Date of Patent: May 7, 1985Assignee: The Dow Chemical CompanyInventor: Robert E. Hefner, Jr.
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Patent number: 4497951Abstract: Acetylene terminated s-triazine oligomers are disclosed which polymerize into stable high temperature resins. The oligomers of this invention are readily prepared from off-the-shelf starting materials, they are soluble in conventional low boiling solvents and exhibit low melting points which facilitate ease of processing.Type: GrantFiled: April 21, 1983Date of Patent: February 5, 1985Assignee: Hughes Aircraft CompanyInventor: Thomas W. Giants
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Patent number: 4492776Abstract: A process is disclosed for the preparation of hydrogel contact lenses having improved mechanical properties, said process comprising polymerizing, in the presence of an azo type initiator, a monomer mixture comprising from 25% to 50% by weight of N-vinyl pyrrolidone, up to 5% by weight of methacrylic or acrylic acid, 0.1 to 1% by weight of 1,3,5-tris(propenoxy)-2,4,6-triazine (TPT), or perhydro-2,4,6,-triketo-1,3,5,-tris (propene-2)-1,3,5-triazine (T.T.P.T.), as a cross-linking monomer, the balance being essentially hydroxy alkyl acrylate or methacrylate, wherein the alkyl group is ethyl or propyl.Type: GrantFiled: April 12, 1984Date of Patent: January 8, 1985Assignee: CooperVision, Inc.Inventors: Ivor B. Atkinson, Barry C. Holdstock
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Patent number: 4463147Abstract: A mixture consisting of a polymaleimide and a copolymerizable monomer or a prepolymer formed from these two compounds contains, as the polymerization catalyst, an ethane which is substituted by aromatic groups and hydroxyl groups or halogen (cf. formula II), such as benzpinacol. The mixture is stable on storage and heat-curable. It can be cured, while at the same time being shaped to give mouldings, sheet-like structures, laminates, adhesive bonds or foams, for example by casting or compression moulding.Type: GrantFiled: December 13, 1982Date of Patent: July 31, 1984Assignee: Ciba-Geigy CorporationInventors: Hermann Diethelm, Abdul-Cader Zahir
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Patent number: 4463169Abstract: Polymerizable compositions comprise(a) a compound containing(i) at least one acryloyloxy or methacryloyloxy group,(ii) at least one allyl, methallyl, or 1-propenyl group attached, either directly, or through an oxygen atom or an oxycarbonyl group, to a carbon atom which forms part of an aromatic or cycloaliphatic nucleus,(b) a compound containing in the molecule both(iii) at least one acryloyloxy or methacryloyloxy group and(iv) at least one --COOH group, and(c) a compound containing at least two mercaptan groups directly attached to aliphatic carbon atoms.Examples of (a) are 2,2-bis(3-allyl-4-(3-(methacryloyloxy)-2-(2-carboxyethylcarbonyloxy)propox y)phenyl)propane, 1-(allyloxycarbonyl)-2,4-bis(3-(methacryloyloxy)-2-(2-carboxyethylcarbonyl oxy)propoxycarbonyl)benzene, and diallyl bis(3-methacryloyloxy)-2-(2-carboxyethylcarbonyloxy)propyl) esters of benzophenone-3,4,3',4'-tetracarboxylic acid. Examples of (b) are acrylic acid and 2-(methacryloyloxy)ethyl 5-carboxycyclohex-1-ene-4-carboxylate.Type: GrantFiled: September 13, 1982Date of Patent: July 31, 1984Assignee: Ciba-Geigy CorporationInventor: Edward Irving
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Patent number: 4463080Abstract: Photographic elements and diffusion transfer assemblages are described which contain a novel polymeric mordant comprising recurring units having the formula ##STR1## wherein A represents recurring units derived from an .alpha.,.beta.-ethylenically unsaturated monomer;B represents recurring units derived from a monomer containing at least two ethylenically unsaturated groups;QN.sup..sym. represents a moiety containing a quaternized nitrogen group;R.sup.1 represents an alkoxy group having from 1 to about 8 carbon atoms or an alkylenedioxy group having from 1 to about 4 carbon atoms, the group being appended to an aromatic group of A;R.sup.2 represents an alkoxy group having from 1 to about 8 carbon atoms or an alkylenedioxy group having from 1 to about 4 carbon atoms, the group being appended to an aromatic group of QN.sup..sym.Type: GrantFiled: July 6, 1983Date of Patent: July 31, 1984Assignee: Eastman Kodak CompanyInventors: Robert A. Snow, Gerald W. Klein
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Patent number: 4451630Abstract: A process is disclosed for the preparation of hydrogel contact lenses having improved mechanical properties, said process comprising polymerizing, in the presence of an azo type initiator, a monomer mixture comprising from 25% to 50% by weight of N-vinyl pyrrolidone, up to 5% by weight of methacrylic or acrylic acid, 0.1 to 1% by weight of 1,3,5-tris(propenoxy)-2,4,6-triazine (TPT), or perhydro-2,4,6,-triketo-1,3,5,-tris (propene-2)- 1,3,5 - triazine (T.T.P.T.), as a cross-linking monomer, the balance being essentially hydroxy alkyl acrylate or methacrylate, wherein the alkyl group is ethyl or propyl.Type: GrantFiled: June 16, 1983Date of Patent: May 29, 1984Inventors: Ivor B. Atkinson, Barry C. Holdstock
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Patent number: 4443366Abstract: A mixture of water-soluble substances, particularly a mixture of proteins, a mixture of enzymes or a mixture of water-soluble vitamins, is fractionated by subjecting an aqueous solution of said mixture of water-soluble substances to gel chromatography through a filter bed of a cross-linked gel copolymer of vinylpyrrolidone and a cross-linking agent having a triazine ring system of the formula (I) or (II): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are the same or different and each radical is selected from the group consisting of --CH.sub.2 --CH.dbd.CH.sub.2, --CH.sub.2 --C.tbd.CH and --CH.sub.2 --C(CH).sub.2, in a diluent.Type: GrantFiled: March 29, 1982Date of Patent: April 17, 1984Assignee: Kureha Kagaku Kogyo Kabushiki KaishaInventors: Teruo Sakagami, Noriyuki Arakawa, Naohiro Murayama
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Patent number: 4443495Abstract: This invention relates to a heat curing process and to a solventless screen printable, heat curable conductive ink composition comprising(1) an ethylenically unsaturated member of the group consisting of(a) a liquid, ethylenically, unsaturated monomer, oligomer or prepolymer of the formula: ##STR1## wherein R is H or CH.sub.3, R.sub.1 is an organic moiety and n is at least 2,(b) a polythiol in combination with (a) supra,(c) a polythiol in combination with a liquid ethylenically unsaturated monomer, oligomer or prepolymer of the formula: ##STR2## wherein R.sub.2 is H or CH.sub.3, R.sub.3 is an organic moiety and n is at least 2, and(d) mixtures of (a), (b) and (c),(2) a thermal initiator, and(3) an electrically conductive material.Heating of the composition in a desired pattern on a substrate results in a printed electric circuit.Type: GrantFiled: May 5, 1983Date of Patent: April 17, 1984Assignee: W. R. Grace & Co.Inventors: Charles R. Morgan, Arthur D. Ketley
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Patent number: 4442278Abstract: Acetylene terminated s-triazine oligomers are disclosed which polymerize into stable high temperature resins. The oligomers of this invention are readily prepared from off-the-shelf starting materials, they are soluble in conventional low boiling solvents and exhibit low melting points which facilitate ease of processing.Type: GrantFiled: December 3, 1981Date of Patent: April 10, 1984Assignee: Hughes Aircraft CompanyInventor: Thomas W. Giants
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Patent number: 4435555Abstract: Polymers based upon a monomer of the formula ##STR1## wherein R or R.sup.1 contain a polymerizable double bond are useful as ultraviolet light stabilizers for polymers.Type: GrantFiled: February 16, 1983Date of Patent: March 6, 1984Assignee: American Cyanamid CompanyInventors: Frank F. Loffelman, Thomas E. Brady
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Patent number: 4420597Abstract: This invention is directed to esters of isocyanuric acid derivatives. More particularly, this invention is directed to acrylates or methacrylates of isocyanuric acid derivatives containing hydroxyl groups, the preparation of said compounds, and their use in adhesives.Type: GrantFiled: September 29, 1981Date of Patent: December 13, 1983Assignee: Henkel Kommanditgesellschaft auf AktienInventor: Werner Gruber
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Patent number: 4418181Abstract: The compositions described herein comprise polyimides having bis-maleimide terminal groups and having the formula: ##STR1## wherein Q is a trivalent aromatic radical, Ar is a divalent aromatic radical, Ar" is a tetravalent aromatic radical and n has a value of 0-20. Derivatives may be made of these compounds by homopolymerization, copolymerization with other copolymerizable materials and by reaction with Diels-Alder reactable materials.Type: GrantFiled: May 26, 1981Date of Patent: November 29, 1983Assignee: Plastics Engineering CompanyInventor: Walter J. Monacelli
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Patent number: 4417043Abstract: A polymer capable of forming an anisotropic melt characterized in that the polymer chain includes residues of cross-linking reactants at a concentration sufficient to give a polymer with a melt viscosity of not greater than 10.sup.7 Nsec/m.sup.2 measured by capillary rheometry at a shear rate of 10.sup.4 N/m.sup.2. The polymers exhibit favorable shear dependent viscosity characteristics in that the viscosity is high under low shear conditions and is low under high shear conditions, as judged by the viscosity characteristics of polymers of the same composition but not containing the residues of cross-linking reactants.Type: GrantFiled: January 5, 1981Date of Patent: November 22, 1983Assignee: Imperial Chemical Industries PLCInventors: Frederic N. Cogswell, Brian P. Griffin, Clive P. Smith
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Patent number: 4406826Abstract: This invention relates to a heat curing process and to a solventless screen printable, heat curable conductive ink composition comprising(1) an ethylenically unsaturated member of the group consisting of(a) a liquid, ethylenically, unsaturated monomer, oligomer or prepolymer of the formula: ##STR1## wherein R is H or CH.sub.3, R.sub.1 is an organic moiety and n is at least 2,(b) a polythiol in combination with (a) supra,(c) a polythiol in combination with a liquid ethylenically unsaturated monomer, oligomer or prepolymer of the formula: ##STR2## wherein R.sub.2 is H or CH.sub.3, R.sub.3 is an organic moiety and n is at least 2, and(d) mixtures of (a), (b) and (c),(2) a thermal initiator, and(3) an electrically conductive material.Heating of the composition in a desired pattern on a substrate results in a printed electric circuit.Type: GrantFiled: March 5, 1981Date of Patent: September 27, 1983Assignee: W. R. Grace & Co.Inventors: Charles R. Morgan, Arthur D. Ketley
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Patent number: 4393184Abstract: A lens having a high refractive index with a low dispersion produced by copolymerizing a polyfunctional allyl monomer with at least one monomer selected from the group represented by the general formula A: ##STR1## X: H, CH.sub.3, Cl Y: H, CH.sub.3, C.sub.2 H.sub.5, n-C.sub.3 H.sub.7, iso-C.sub.3 H.sub.7, OCH.sub.3, C.sub.6 H.sub.11, Cl, Br, CH.sub.2 Cl, CH.sub.2 Br, C.sub.6 H.sub.5, CH.sub.2 C.sub.6 H.sub.5, SCH.sub.3m=0, 1, 2n=0, 1, 2, 3, 4, 5.This lens is excellent in its transmittance, pencil hardness, impact resistance, dyeability, coating adhesion, solvent resistance, workability, etc.Type: GrantFiled: October 26, 1981Date of Patent: July 12, 1983Assignee: Hoya Lens CorporationInventors: Niro Tarumi, Shigeo Komiya, Mitsuo Sugimura
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Patent number: 4373076Abstract: A high refractive lens of a terpolymer produced by the polymerization of ternary monomers comprising diethylene glycol bisallyl carbonate, triallylisocyanurate, and benzyl methacrylate. This lens is considerably improved in its physical properties necessary for lens such as superficial hardness, transmittance, and adhesion strength of glass film coated on the surface, as well as having a high refractive index.Type: GrantFiled: October 26, 1981Date of Patent: February 8, 1983Assignee: Hoya Lens CorporationInventors: Niro Tarumi, Mitsuo Sugimura, Shigeo Komiya, Makoto Tsuchiya
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Patent number: 4356287Abstract: Polymers of the following monomer ##STR1## wherein R and/or R.sup.1 contains a polymerizable double bond are disclosed as light stabilizers for polymers.Type: GrantFiled: July 20, 1981Date of Patent: October 26, 1982Assignee: American Cyanamid CompanyInventors: Frank F. Loffelman, Thomas E. Brady
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Patent number: 4348456Abstract: A thermoplastic resin film laminate. A thermoplastic film is made abrasion-resistant by coating or laminating (A) one or both sides of a thermoplastic resin film with (B) a vinyl polymer composed mainly of a cyanurate ring-containing (meth)cyanurate having a structure corresponding to the condensation product of 1 mole of cyanuric acid with 3 moles, on the average, of a hydroxyl group-containing (meth)acrylate represented by the formula C H.sub.2 .dbd.CR--COO--R.sup.10 --OH (wherein R is hydrogen atom or methyl group; and R.sup.10 is an alkylene group having a carbon number of 2 to 4), or a cyanurate ring-containing (meth)acrylate having a structure corresponding to the condensation product of 1 mole of cyanuric acid with 2 moles or more and less than 3 moles, on the average, of the above hydroxyl group-containing (meth)acrylate and not more than 0.5 mole, on the average, of a polyhydric alcohol of the formula R.sup.20 --(--OH).sub.y (wherein R.sup.Type: GrantFiled: December 17, 1980Date of Patent: September 7, 1982Assignee: Teijin LimitedInventors: Yoshihiko Imanaka, Yoichi Saito, Akihiro Horike
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Patent number: 4336311Abstract: An electronic component is coated with an ultraviolet light cured composition to make it humidity and salt water resistant. The composition contains a urethane, at least one acrylate, a wet adhesion monomer, a photoinitiator, and optionally a thixotropic agent.Type: GrantFiled: August 25, 1980Date of Patent: June 22, 1982Assignee: Sprague Electric CompanyInventor: Michael F. Lucey
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Patent number: 4323662Abstract: Disclosed is a thermosetting resin composition comprising (a) a bismaleimide and/or a polymaleimide and (b) at least one member selected from alkenylaniline derivatives, linear dimers thereof, and polymers thereof. In addition to components (a) and (b), this resin composition can contain (c) a polymerizable unsaturated substance.Type: GrantFiled: July 8, 1980Date of Patent: April 6, 1982Assignee: Mitsui Toatsu Chemicals, Inc.Inventors: Masayuki Oba, Motoo Kawamata, Hikotada Tsuboi, Nobuhito Koga
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Patent number: 4316835Abstract: This invention involves a curable liquid mixture comprising (a) a polyester of the following formula: ##STR1## wherein n has an average value between about 1.Type: GrantFiled: April 16, 1980Date of Patent: February 23, 1982Assignee: Union Carbide CorporationInventor: Hugh C. Gardner
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Patent number: 4313859Abstract: The invention comprises a polymerizable liquid mixture of (a) a half ester characterized by the following empirical formula: ##STR1## wherein n is a number having an average value of about 1.5 to less than about 4, m is equal to the free valence of R less the average value of n, R is the hydroxyl-free residue of an organic polyol which contained from 2 to 4, inclusive, hydroxyl groups, OH, in formula (I) (b) maleic anhydride, (c) an epoxide containing two or more 1,2-epoxide radicals, (d) an ethylenically unsaturated monomer which forms a liquid homogeneous mixture with the half ester, maleic anhydride and epoxide, and (e) a basic compound.Type: GrantFiled: July 28, 1980Date of Patent: February 2, 1982Assignee: Union Carbide CorporationInventor: Hugh C. Gardner
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Patent number: 4297468Abstract: The invention relates to new cross-linked copolymers containing carboxyl groups and especially useful as thickening agents for aqueous and organic solvents, which copolymers contain(A) 20 to 100% by weight of olefinically unsaturated carboxylic acids,(B) 0 to 80% by weight of at least one mono-olefinically unsaturated monomer copolymerizable with the components A and C, and(C) 0.1 to 4% by weight, calculated on the total quantity of monomers, of allyl monomer of the general formula ##STR1## in which n=0, 1 or 2,m=1, 2 or 3, wherein n+m=3,R.sub.1 =hydrogen, or an alkyl, alkoxyalkyl, haloalkyl, cycloalkyl, aryl, alkaryl, aralkyl or alkenyl radical, andR.sub.2 and R.sub.3, which may be the same or different, each represents hydrogen or an allyl, alkyl, cycloalkyl, aryl, aralkyl or alkaryl radical,wherein at least two of the radicals R.sub.1, R.sub.2 and R.sub.3 must be an allyl radical or a substituted allyl radical.Type: GrantFiled: May 16, 1979Date of Patent: October 27, 1981Assignee: Chemische Fabrik Stockhausen & CieInventors: Miroslay Chmelir, Kurt Dahmen
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Patent number: 4243788Abstract: Isocyanurate polymers having improved physical properties are disclosed. Unsaturated isocyanates are prepared by reacting a polyisocyanate with a monohydric alcohol containing a vinylidene group to form an isocyanate-containing urethane and then reacting the isocyanate-containing urethane with tris(2-hydroxyethyl)isocyanurate to form an unsaturated isocyanurate. The unsaturated isocyanurate may be homopolymerized or copolymerized with ethylenically unsaturated compounds to form isocyanurate polymers having an excellent combination of physical properties.Type: GrantFiled: January 29, 1979Date of Patent: January 6, 1981Assignee: ICI Americas Inc.Inventor: Erich Kuehn
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Patent number: 4233430Abstract: An anti-solar polymer has in the macromolecular chain thereof at least one unit of the formula ##STR1## wherein F is a residue derived from an aromatic compound. The anti-solar polymer can also be one having in the macromolecular chain thereof at least one unit of the formula ##STR2## wherein F.sub.1 is ##STR3## These polymers have the ability to absorb wave lengths of light in the range of about 280-315 millimicrons. The polymers are employed in a cosmetic composition.Type: GrantFiled: May 1, 1979Date of Patent: November 11, 1980Assignee: L'OrealInventors: Bernard Jacquet, Christos Papantoniou, Pierre Dufaure, Claude Mahieu
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Patent number: 4230550Abstract: A radiation curable barrier coating having chemical resistance to many solvents, flexibility when cured, selective gloss and excellent abrasion resistance at a coating thickness provided by lithographic printing methods comprises acrylated melamine resin in combination with silica fillers and photoinitiators.Type: GrantFiled: August 6, 1979Date of Patent: October 28, 1980Assignee: Hewlett-Packard CompanyInventor: Kent D. Vincent
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Patent number: 4225693Abstract: Controlled release pesticide-polymer systems are prepared by the polymerization of vinyl monomers containing pendant pesticides. The vinyl monomers are prepared by reacting an acrylic acid derivative with a pesticide or a pesticide derivative having an active hydrogen. The pesticide-polymer systems prepared from the pesticide vinyl monomers release the active pesticide material by hydrolysis or chemical depolymerization under conditions of use.Type: GrantFiled: August 10, 1978Date of Patent: September 30, 1980Inventor: Charles L. McCormick
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Patent number: 4221895Abstract: Thermally resistant thermoset polymers are formed by heating a thermosetting aromatic prepolymer having at least two pendant alkynyl groups, e.g., a thermosetting prepolymer represented by the formula: ##STR1## The resulting thermoset polymers are sufficiently resistant to heat to be usefully employed as engine parts in the internal combustion engines of automobiles and the like.Type: GrantFiled: April 18, 1978Date of Patent: September 9, 1980Assignee: The Dow Chemical CompanyInventor: Edmund P. Woo
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Patent number: 4216134Abstract: Single component, shelf stable, anaerobic curing, adhesive compositions displaying high strength and resistance to water, heat and radiation are produced using triallylcyanurate or triallylisocyanurate as a reaction component.Type: GrantFiled: October 12, 1977Date of Patent: August 5, 1980Inventor: Walter Brenner
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Patent number: 4203220Abstract: New alkenylamino dihalo triazines are used as bridging molecules to facilitate bonding of clinically tolerated acrylic and similar resins to biological tissue such as teeth and bone.Type: GrantFiled: July 8, 1976Date of Patent: May 20, 1980Assignee: National Research Development CorporationInventor: Peter J. Cranfield
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Patent number: 4200721Abstract: Homopolymers, copolymers and terpolymers of a styrene based monomer are prepared by:(1) polymerizing at least one oxidized styrylphosphine monomer selected from the group of:(C.sub.6 H.sub.5).sub.2 P(O)N.dbd.P(C.sub.6 H.sub.5).sub.2 C.sub.6 H.sub.4 CH.dbd.CH.sub.2,(C.sub.6 H.sub.5 O).sub.2 P(O)N.dbd.P(C.sub.6 H.sub.5).sub.2 C.sub.6 H.sub.4 CH.dbd.CH.sub.2,(C.sub.6 H.sub.5).sub.2 C.sub.3 N.sub.3 N.dbd.P(C.sub.6 H.sub.5).sub.2 C.sub.6 H.sub.4 CH.dbd.CH.sub.2 and(C.sub.6 H.sub.5)C.sub.3 N.sub.3 [N.dbd.P(C.sub.6 H.sub.5).sub.2 C.sub.6 H.sub.4 CH.dbd.CH.sub.2 ].sub.2 ; or(2) polymerizing p-diphenylphosphinestyrene and then oxidizing said polymerized p-diphenylphosphinestyrene monomer with an organoazide selected from the group of (C.sub.6 H.sub.5).sub.2 P(O)N.sub.3,(C.sub.6 H.sub.5 O).sub.2 P(O)N.sub.3,(C.sub.6 H.sub.5).sub.2 C.sub.3 N.sub.3 (N.sub.3) and C.sub.6 H.sub.5 C.sub.3 N.sub.3 (N.sub.3).sub.2.Type: GrantFiled: May 19, 1978Date of Patent: April 29, 1980Inventors: James C. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Fletcher, Kazimiera J. L. Paciorek
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Patent number: 4196271Abstract: An adhesive composition comprising a 2-cyanoacrylate and at least one member selected from the group consisting of substituted or unsubstituted aliphatic carboxylic acids having three or more carboxyl groups, anhydrides thereof, partial esters thereof, aromatic polycarboxylic acids having three or more carboxyl groups and anhydrides thereof. This composition has a high impact strength, is suitable for bonding metallic substrates to one another and is also excellent in resistance to heat, weather, and water.Type: GrantFiled: December 22, 1976Date of Patent: April 1, 1980Assignee: Toagosei Chemical Industry Co., Ltd.Inventors: Akira Yamada, Kaoru Kimura
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Patent number: 4195146Abstract: Disclosed are unsaturated isocyanurates of monourethanes of an aromatic polyisocyanate and a vinylidene carbonyl oxy alkanol characterized by one of the following formulae: ##STR1## wherein R.sub.1 is hydrogen or an alkyl group containing from one to four carbon atoms, R.sub.2 is hydrogen, alkyl containing from 1 to 12 carbon atoms, or a chlorinated, brominated, or fluorinated alkyl group containing from 1 to 12 carbon atoms, R.sub.3 is hydrogen, alkyl containing from 1 to 12 carbon atoms, or a chlorinated, brominated, or fluorinated alkyl group containing from 1 to 12 carbon atoms, R.sub.4 is hydrogen, methyl or ethyl, and n is from one to four, with the proviso that R.sub.2 and R.sub.3 on adjacent carbon atoms are not both alkyl or chlorinated, brominated, or fluorinated alkyl. The unsaturated isocyanurates may be homopolymerized or copolymerized with ethylenically unsaturated compounds to form isocyanurate polymers having excellent physical properties at high temperatures.Type: GrantFiled: July 10, 1978Date of Patent: March 25, 1980Assignee: ICI Americas Inc.Inventors: Kenneth H. Markiewitz, Alfred J. Restaino
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Patent number: 4184992Abstract: Provided is a cross-linked polymer composition which can be in a transparent polymeric gel form having an equilibrium water content of at least 60 wt.% for use in soft contact lenses. The cross-linked polymer composition is prepared by polymerizing, using a bulk polymerization procedure, a monomer mixture comprising an alkyl methacrylate and an N-vinyllactam in the presence of a cross-linking agent comprising at least one compound selected from vinyl acrylate, vinyl methacrylate, triallyl isocyanurate and vinyl carboxylates expressed by the formula:R--COOCH.dbd.CH.sub.2).sub.nwhere R is a hydrocarbon radical having 1 to 10 carbon atoms and n is an integer of 2, 3 or 4.Type: GrantFiled: November 3, 1977Date of Patent: January 22, 1980Assignee: Toray Industries, Inc.Inventor: Shuntaro Hosaka
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Patent number: 4183796Abstract: A radiation curable oligomer which cures to provide a combination of improved elongation and tensile strength is constituted by a selected hydroxy functional polyester having its active hydrogen atoms end-capped by reaction with ethylenically unsaturated monoisocyanate. This polyester is the reaction product of one mole of tris (2-hydroxyethyl) isocyanurate with three moles of saturated dicarboxylic acid and three moles of diol, these proportions being variable within the limits of .+-.20%, the polyester reaction product having an acid value of less than 20, preferably less than 5, and providing hydroxyl-terminated branches having an average length corresponding to a calculated molecular weight of 100-1500.Type: GrantFiled: February 9, 1978Date of Patent: January 15, 1980Assignee: DeSoto, Inc.Inventors: Robert E. Ansel, John C. Graham
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Patent number: 4174428Abstract: A heavy metal ion adsorbent represented by the following general formula: ##STR1##wherein l, m, and n are 2 or 3, respectively; R is an alkyl group containing 4 to 6 carbon atoms which is substituted by an amino group in the .omega.-position; and A is hydrogen or a synthetic resin.Type: GrantFiled: January 30, 1978Date of Patent: November 13, 1979Assignee: Iwao TabushiInventors: Iwao Tabushi, Hidefumi Kato, Yoichi Taniguchi, Yasuhisa Kuroda
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Patent number: 4159376Abstract: Isocyanurate polymers having improved physical properties are disclosed. Unsaturated isocyanates are prepared by reacting a polyisocyanate with a monohydric alcohol containing a vinylidene group to form an isocyanate-containing urethane and then reacting the isocyanate-containing urethane with tris(2-hydroxyethyl)isocyanurate to form an unsaturated isocyanurate. The unsaturated isocyanurate may be homopolymerized or copolymerized with ethylenically unsaturated compounds to form isocyanurate polymers having an excellent combination of physical properties.Type: GrantFiled: July 27, 1977Date of Patent: June 26, 1979Assignee: ICI Americas Inc.Inventor: Erich Kuehn
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Patent number: 4136246Abstract: Thermoplastic polymeric compositions having high heat-distortion temperatures and good processability and handling characteristics which function as gas and vapor barrier materials which are composed of an olefinically unsaturated nitrile, such as acrylonitrile, indene and a polyolefinic monomer, such as divinyl benzene, are described.Type: GrantFiled: October 29, 1976Date of Patent: January 23, 1979Assignee: The Standard Oil CompanyInventor: George S. Li
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Patent number: 4120831Abstract: A process for producing carboxyl cationites which comprises dissolution of comonomers such as methacrylic or acrylic acid and a vinyl-containing amide such as hexahydro-1,3,5-triacryloyltriazine, N, N'-methylenediacrylamide, N, N'-ethylenedimethacrylamide or N, N'-hexamethylenedimethacrylamide as well as an initiator of radical polymerization in a 5-50% acetic acid. Weight ratio between the unsaturated carboxylic acid and vinyl-containing amide is varied from 3:1 to 12:1; concentration of said comonomers in a 5-50% acetic acid is varied within the range of from 10 to 30%. The resulting reaction mixture is dispersed in polyethylsiloxane or polymethylphenylsiloxane liquid at a weight ratio between the reaction mixture and said silicone liquid ranging from 1:3 to 1:5 respectively. Thereafter, copolymerization is effected in a suspension at a temperature ranging from 20.degree. to 100.degree. C.Type: GrantFiled: June 2, 1977Date of Patent: October 17, 1978Inventors: Nadezhda Nikolaevna Kuznetsova, Georgy Vasilievich Samsonov, Klavdia Pavlovna Papukova, Galina Vladimirovna Bilibina, Larisa Konstantinovna Shataeva, Aida Alexandrovna Selezneva, Nina Petrovna Kuznetsova, Oyar Ansovich Vitols, Anite Ansovna Shtrausa, Lev Romanovich Gudkin, Rimma Nikodimovna Mishaeva, Karina Moiseevna Rozhetskaya
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Patent number: 4106941Abstract: Interpolymers from monomers containing optical brightening moieties and solubilizing groups are useful in optical brightening compositions. Photographic elements containing these optical brightening compositions have excellent light stability.Type: GrantFiled: July 17, 1974Date of Patent: August 15, 1978Assignee: Eastman Kodak CompanyInventors: Peter W. Scullard, John Figueras, Carl F. Holtz
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Patent number: 4107122Abstract: Copolymers are prepared from .omega.-bromoalkyl esters of acyclic unsaturated dicarboxylic acids and compounds copolymerizable therewith. The copolymers are useful as flame retardant plasticizers for polymers.Type: GrantFiled: June 3, 1976Date of Patent: August 15, 1978Assignee: Monsanto CompanyInventors: Albert W. Morgan, Charles S. Shull, William Vanderlinde
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Patent number: 4105648Abstract: Crosslinked polyacrylamides containing silyl groups are disclosed which are prepared in a simple and economical manner by polymerizing silylated acrylic acid amides in the presence of a crosslinking agent such as 1,4-butanediol-diacrylate. The resultant crosslinked silylated polyacrylamides are insoluble in customary solvents and are useful for the transfer of silyl groups to compounds which contain at least one mobile hydrogen atom. They may be employed, e.g., in gas chromatography, mass spectroscopy and chemical syntheses (for instance for the introduction of protective silyl groups).Type: GrantFiled: March 17, 1977Date of Patent: August 8, 1978Assignee: Ciba-Geigy CorporationInventors: Urs Gruber, Gerd Greber, Hans-Peter Kriemler
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Patent number: 4101491Abstract: Ethylenically unsaturated blocked aromatic diisocyanates are prepared which readily polymerize to form homopolymers and interpolymers with copolymerizable vinylidene monomers. Polymers can be prepared via emulsion polymerization, and exhibit excellent stability to hydrolysis when stored in latex form. The polymers cure at temperatures as low as 80.degree. C., and under acidic, neutral, or basic pH conditions. Homopolymers and interpolymers of the defined diisocyanates are useful as adhesives, and interpolymers of the ethylenically unsaturated blocked aromatic diisocyanates with acrylate monomers are particularly useful as binders for nonwoven fibers.Type: GrantFiled: October 22, 1976Date of Patent: July 18, 1978Assignee: The B. F. Goodrich CompanyInventor: Harold A. Tucker