Patents by Inventor August Vrancken
August Vrancken has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 4312726Abstract: Organic polymer compounds having semi-telechelic olefinic unsaturation, which correspond to the general formula: ##STR1## in which V is the radical of an organic compound containing at least one polymerizable ##STR2## group and another group capable of reacting with the functional groups of organic compounds having radicals represented by W and Y; W is the radical of a chain transfer agent RSH, R being an organic radical having at least one hydroxyl or carboxyl group; X is the radical of an organic compound containing a polymerizable ##STR3## group; Y is the radical of an organic compound containing a polymerizable ##STR4## group and at least one other reactive group selected from hydroxyl, carboxyl, acid anhydride and epoxy groups; y is 0 or a whole number of from 1 to 10; x is the number of moles of X necessary to enable the chain --(X).sub.x -- (Y).sub.Type: GrantFiled: January 12, 1979Date of Patent: January 26, 1982Assignee: UCB, Societe AnonymeInventors: August Vrancken, Paul Dufour
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Patent number: 4206025Abstract: Radio-hardenable acrylic polyesters of the general formula:[A][B--C--D.sub.m ].sub.2 (I)wherein A is the radical of a linear polyester of the general formula:--O--[R.sub.1 --R.sub.2 ].sub.x R.sub.1 --O-- (II)wherein R.sub.1 is a radical derived from at least one dihydroxylated compound, R.sub.2 a radical derived from at least one dicarboxylic acid and x an integer from 1 to 20; wherein B has the same meaning as R.sub.2, C is a radical derived from at least one aliphatic polyhydroxylated compound, D a radical derived from acrylic acid and m is an integer from 2 to 7.Manufacture of said polyesters and use as binders in radio-hardenable compositions.Type: GrantFiled: September 5, 1978Date of Patent: June 3, 1980Assignee: U C B, Societe AnonymeInventors: August Vrancken, Paul Dufour
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Patent number: 4177338Abstract: Organic polymer compounds having semi-telechelic olefinic unsaturation, which correspond to the general formula: ##STR1## in which V is the radical of an organic compound containing at least one polymerizable ##STR2## group and another group capable of reacting with the functional groups of organic compounds having radicals represented by W and Y; W is the radical of a chain transfer agent RSH, R being an organic radical having at least one hydroxyl or carboxyl group; X is the radical of an organic compound containing a polymerizable ##STR3## group; Y is the radical of an organic compound containing a polymerizable ##STR4## group and at least one other reactive group selected from hydroxyl, carboxyl, acid anhydride and epoxy groups; y is 0 or a whole number of from 1 to 10; x is the number of moles of X necessary to enable the chain --(X).sub.x --(Y).sub.Type: GrantFiled: October 24, 1974Date of Patent: December 4, 1979Assignee: UCB, Societe AnonymeInventors: August Vrancken, Paul Dufour
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Patent number: 4134811Abstract: A film-forming halogenated photopolymerizable composition, which comprises: a) 20 to 70% by weight of at least one halogenated polymer, which (1) has a chain interrupted by at least one oxygen or nitrogen atom, (2) contains from 4 to 70% by weight halogen atoms attached to carbon atoms having the electronic configuration sp.sup.2, (called active halogen atoms), (3) has an average molecular weight between 700 and 10,000, (4) has a glass transition temperature (Tg) between 20.degree. C and the thermal decomposition point of the polymer; b) 20 to 60% by weight of at least one monomeric organic compound containing at least two acrylic acid and/or methacrylic acid radicals and containing from 0 to 65% by weight of active halogen atoms; c) 0 to about 40% by weight of at least one monomeric organic compound containing an acrylic acid or methacrylic acid radical and containing from 0 to about 65% by weight active halogen atoms; d) about 1 to about 25% by weight of a photoinitiator system comprising 1) 0.Type: GrantFiled: May 3, 1976Date of Patent: January 16, 1979Assignee: UCB, Societe AnonymeInventors: Michel De Poortere, Marc Colpaert, Paul Dufour, August Vrancken
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Patent number: 4134814Abstract: Halogenated photopolymerizable adhesive, which comprises: (a) 20 to 70% by weight of at least one halogenated polymer, which: (1) has a chain interrupted by at least one oxygen or nitrogen atom, (2) contains from 4 to 70% by weight of halogen atoms attached to carbon atoms having the electronic configuration sp.sup.2, (called "active halogen atoms"), (3) has an average molecular weight between 700 and 10,000 and (4) has a glass transition temperature (Tg) between -80.degree. C and 20.degree. C; (b) 5 to 30% by weight of at least one organic monomer compound containing at least two acrylic and/or methacrylic acid radicals and containing from 0 to 65% by weight of active halogen atoms; (c) 20 to 70% by weight of at least one organic monomer compound containing an acrylic or methacrylic acid radical and containing from 0 to about 65% by weight of active halogen atoms; (d) about 1 to about 25% by weight of a photo-initiator system comprising: (1) 0.5 to 100% by weight of at least one aromatic ketone, (2) 0 to 99.Type: GrantFiled: May 3, 1976Date of Patent: January 16, 1979Assignee: UCB, Societe AnonymeInventors: Michel De Poortere, Marc Colpaert, Paul Dufour, August Vrancken
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Patent number: 4082710Abstract: Isocyanate-modified compounds consisting of the reaction products of an organic isocyanate with compounds with multiple acrylic radicals, the average composition of which has the general formula:X--Y--(Z).sub.m-p-1 ].sub.nwhereinX is the radical derived by removing the OH groups from the carboxyl groups of an organic carboxylic acid containing n COOH groups and the number of carbon atoms of which is between 14 and 90,Y is the radical derived by removing m-p hydrogen atoms from the hydroxyl groups of an organic compound containing m OH groups,Z is the monovalent radical derived by removing the OH group from the carboxyl group of a monocarboxylic acid having at least one terminal CH.sub.2 .dbd.CH--COO-- radical,n is a whole number from 1 to 6,m is a whole number from 2 to 8, andp is a number of from 0 to 2.Type: GrantFiled: December 3, 1975Date of Patent: April 4, 1978Assignee: U C B, Societe AnonymeInventors: August Vrancken, Paul Dufour, Jacques Noat, Jean Holderic
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Patent number: 4070259Abstract: Radiocurable compositions of matter consisting essentially of Diels-Alder reaction products between (A) at least one dienophile containing at least two double bonds >C=C<, at least one of which derives from acrylic acid and (B) at least one linear or cyclic diene containing at least two conjugated olefinic double bonds, the preparation thereof and sealers, adhesives, paints, varnishes and inks formulated therewith.Type: GrantFiled: July 29, 1975Date of Patent: January 24, 1978Assignee: U C B, Societe AnonymeInventors: Michel De Poortere, Paul Dufour, August Vrancken
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Patent number: 3969327Abstract: Telechelic or semi-telechelic polymers, the average composition of which has the (Y).sub.y formulaV--(X).sub.x --(Y).sub.y --ZwhereinV is a hydrogen atom or Z,X is the radical originating from an ethylenically monomer carrying a polymerizable >C = C< group and at least one other reactant group selected from the group consisting of OH.sub.2 ##EQU1## (R and R' being a hydrogen atom or a lower alkyl radical), COOH or anhydride and ##EQU2## Y is the radical originating from an ethylenically unsaturated monomer carrying only a >C = C< group,Z is a hydrocarbon radical carrying at least one reactive group selected from OH, COOH and NH.sub.2,x is a number between 0 to 10,y is the required number of molecules of Y to ensure that the molecular weight of the polymer chain is between 2000 and 8000,The x radicals X and the y radicals Y being statistically distributed along the --(X).sub.x --(Y).sub.Type: GrantFiled: July 11, 1974Date of Patent: July 13, 1976Assignee: U.C.B., Societe AnonymeInventors: Ralph Stein, Willy Demarteau, Georges Slinckx, August Vrancken
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Patent number: 3952032Abstract: Compounds with multiple acrylic radicals, the average composition of which has the general formula:X--y--(z).sub.m.sub.--p.sub.--1 ].sub.nWherein X is the radical derived by removing the OH groups from the carboxyl groups of an organic carboxylic acid containing n COOH groups and the number of carbon atoms of which is between 14 and 90,Y is the radical derived by removing m-p hydrogen atoms from the hydroxyl groups of an organic compound containing m OH groups,Z is the monovalent radical derived by removing the OH group from the carboxyl group of a monocarboxylic acid having at least one terminal CH.sub.2 =CH--COO-- radical,n is a whole number from 1 to 6,m is a whole number from 2 to 8, andp is a number of from 0 to 2.5With the proviso that m-p-1 is a positive number different from zero and that n(m-p-1) is between 2 and 15, processes for the preparation thereof, polymers obtained by polymerization thereof and compositions of matter, in particular UV inks or varnishes, comprising said compounds.Type: GrantFiled: May 14, 1974Date of Patent: April 20, 1976Assignee: U.C.B., Societe AnonymeInventors: August Vrancken, Paul Dufour, Jacques Noat, Jean Holderic