Patents by Inventor Fulvio J. Vara
Fulvio J. Vara 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: 5358978Abstract: This invention relates to alkenyl ether polycarbonates having the formula ##STR1## wherein A is selected from the group consisting of lower alkyl and R'HC.dbd.CHOR--, R and R" are each independently a divalent radical having from 2 to 20 carbon atoms and are selected from the group of alkylene, mono- or poly- alkoxylated alkylene, alkenylene, alkynylene, arylene, alkarylene and aralkylene radicals, which radicals are optionally substituted with halo, alkyl, cyano, nitro or alkoxy; R' is hydrogen or lower alkyl; (n) has a value of from 1 to 10 and (m) has a value of from 0 to 10; with the proviso that R" contains at least 3 carbon atoms when m is zero. The invention also concerns the preparation and use of said alkenyl ether polycarbonates.Type: GrantFiled: February 3, 1993Date of Patent: October 25, 1994Assignee: ISP Investments Inc.Inventors: Jeffrey S. Plotkin, Fulvio J. Vara, James A. Dougherty, Paul D. Taylor, Kolazi S. Narayanan
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Patent number: 5262449Abstract: This invention relates to a coating composition which can be cured by exposure to radiation energy in the presence of a cationic photoinitiator. The composition comprises a mixture of between about 1 and about 75 wt. % of a reactive vinyl or alk-1-enyl ether cyclocarbonate having the formula ##STR1## wherein R is hydrogen or lower alkyl; R' is C.sub.2 to C.sub.4 alkylene; n has a value of from 0 to 4 and n' has a value of from 1 to 4 and between about 99 and about 25 wt. % of a polymerizable compound containing an onium salt initiator which is normally insoluble in said polymerizable compound or a mixture thereof. The invention also relates to the use of the composition as a protective coating on a substrate.Type: GrantFiled: August 28, 1992Date of Patent: November 16, 1993Assignee: ISP Investments Inc.Inventors: Kolazi S. Narayanan, Jeffrey S. Plotkin, Fulvio J. Vara, James A. Dougherty
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Patent number: 5262450Abstract: A radiation curable composition is provided herein which comprises suitably about 50-90 parts, preferably about 60-80 parts, by weight, of a multifunctional acrylate monomer, suitably with 3-6 acrylate groups, preferably pentaerythritol triacrylate or trimethylolpropane triacrylate, about 10-50 parts by weight, preferably about 20-40 parts, by weight, of a divinyl ether monomer having both a hydrophobic backbone and an abrasion-resistant moiety, which is preferably the divinylether of cyclohexane dimethanol, and a radiation curing initiator, suitably a cationic initiator, and preferably, in combination with a free radical initiator.Type: GrantFiled: December 28, 1990Date of Patent: November 16, 1993Assignee: ISP Investments Inc.Inventors: Fulvio J. Vara, James A. Dougherty, Geoffrey J. Wilkins
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Patent number: 5254710Abstract: This invention relates to alkenyl ether polycarbonates having the formula ##STR1## wherein A is selected from the group consisting of lower alkyl and R'HC.dbd.CHOR--; R and R" are each independently a divalent radical having from 2 to 20 carbon atoms and are selected from the group of alkylene, mono- or poly- alkoxylated alkylene, alkenylene, alkynylene, arylene, alkarylene and aralkylene radicals, which radicals are optionally substituted with halo, alkyl, cyano, nitro or alkoxy; R' is hydrogen or lower alkyl; (n) has a value of from 1 to 10 and (m) has a value of from 0 to 10; with the proviso that R" contains at least 3 carbon atoms when m is zero. The invention also concerns the preparation and use of said alkenyl ether polycarbonates.Type: GrantFiled: February 3, 1993Date of Patent: October 19, 1993Assignee: ISP Investments Inc.Inventors: Jeffrey S. Plotkin, Fulvio J. Vara, James A. Dougherty, Paul D. Taylor, Kolazi S. Narayanan
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Patent number: 5206320Abstract: A rapidly curable fluorocopolymer comprises (a) 40 to 60 mole % of fluoroolefin units, (b) 8 to 60 mole % of the monovinyl ether of cyclohexanedimethanol units and (c) 5 to 45 mole % of alkyl vinyl ether units, wherein the mole % of a =b +c. The vinyl ether group provides an enhanced polymer Tg and a primary hydroxy site in the backbone of the polymer for effective and rapid crosslinking upon curing with isocyanates. The presence of (b) +(c) in substantially equimolar amounts with (a) provides coatings having the desired hardness without brittleness, and in suitable ratio for reaction copolymerization with (a).Type: GrantFiled: June 15, 1992Date of Patent: April 27, 1993Assignee: ISP Investments Inc.Inventors: Fulvio J. Vara, James A. Dougherty
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Patent number: 5200437Abstract: This invention relates to coating compositions containing the alk-1-enyl ether reaction product of a hydroxylated compound, an alk-1-enyloxy oxirane and from 0 to 95% of an alkyl epoxide.Type: GrantFiled: January 6, 1992Date of Patent: April 6, 1993Assignee: ISP Investments Inc.Inventors: James A. Dougherty, Fulvio J. Vara, Jeffrey S. Plotkin, Paul D. Taylor, Kolazi S. Narayanan
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Patent number: 5147727Abstract: This invention relates to aryloxy polyvinyl ethers having the formula ##STR1## wherein R is a radical having from 2 to 20 carbon atoms and is selected from the group of alkylene, alkyleneoxy alkylene, polyalkyleneoxy alkylene, arylene, alkarylene, alkarylalkylene and aralkylene; X is oxygen or sulfur; A is branched or linear alkylene having from 1 to 20 carbon atoms; B is halo or lower alkyl; n has a value of from 1 to 6 and p has a value of from 0 to 4. The invention also relates to the preparation and use of said aryloxy divinyl ethers.Type: GrantFiled: October 7, 1991Date of Patent: September 15, 1992Assignee: ISP Investments Inc.Inventors: Kou-Chang Liu, Fulvio J. Vara, James A. Dougherty
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Patent number: 5106885Abstract: What is provided herein are radiation curable compositions containing(a) multifunctional vinyl ether monomers having the formula:X--R.sub.1 --Y.sub.1 --R.sub.2 --Y.sub.2).sub.n CH.dbd.CH.sub.2 ].sub.mwhereX is a 5-8 membered ring, saturated or unsaturated;R.sub.1 is a direct bond or C.sub.1 -C.sub.10 straight or branched chain alkylene;Y.sub.1 and Y.sub.2 are independently oxygen or sulfur;R.sub.2 is C.sub.2 -C.sub.10 straight or branched chain alkylene;n is 0-10; andm is 3-5;(b) a cationic initiator, and, optionally,(c) a polymerizable vinyl ether, epoxide, or acrylate oligomer.Type: GrantFiled: November 3, 1989Date of Patent: April 21, 1992Assignee: ISP Investments Inc.Inventors: Kou-Chang Liu, Fulvio J. Vara, James A. Dougherty
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Patent number: 5098791Abstract: This invention relates to epoxy vinyl ethers having the formula: ##STR1## wherein R is a polyvalent linear, branched or cyclic hydrocarbon radical having from 2 to 20 carbon atoms, optionally substituted with alkyleneoxy; n has a value of from 1 to 20; p has a value of from 1 to 6; and at least one of Y and Y' is ##STR2## while any remaining Y and Y' can be ##STR3## The invention also relates to the synthesis and uses of the above polyphenyl vinyl ethers.Type: GrantFiled: August 10, 1990Date of Patent: March 24, 1992Assignee: ISP Investments Inc.Inventors: Kou-Chang Liu, Fulvio J. Vara, James A. Dougherty
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Patent number: 5096783Abstract: This invention relates to epoxy vinyl ethers having the formula: ##STR1## wherein R is a polyvalent linear, branched or cyclic hydrocarbon radical having from 2 to 20 carbon atoms, optionally substituted with alkyleneoxy; A is branched or linear C.sub.1 to C.sub.4 alkylene; B is halogen or lower alkyl; m has a value of from 0 to 4; n has a value of from 0 to 20; p has a value of from 1 to 5; and Y is ##STR2## when p is one, and is ##STR3## or a mixture of ##STR4## when p is greater than one.Type: GrantFiled: August 10, 1990Date of Patent: March 17, 1992Assignee: ISP Investments Inc.Inventors: Kou-Chang Liu, Fulvio J. Vara, James A. Dougherty
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Patent number: 5094917Abstract: Subject invention relates to alk-1-enyl ether silicates having the formula[X].sub.4-n Si[OR.sub.1 OCH.dbd.CH--R.sub.2 ].sub.nwherein X is halogen or --OR wherein R is lower alkyl or a mixture of halogen and OR, a mixture of OR and hydrogen or a mixture of halogen and hydrogen;R.sub.1 contains from 1 to 8 carbon atoms and is alkylene, alkenylene, alkynylene, optionally alkoxylated with up to 20 units of ##STR1## wherein Y is hydrogen or methyl and R.sub.2 is each hydrogen or lower alkyl and n has a value of from 1 to 4. The invention also relates to the process for preparing the above vinyl ether silicates and to their use as chemically resistant coatings.Type: GrantFiled: March 20, 1991Date of Patent: March 10, 1992Assignee: ISP Investments Inc.Inventors: Fulvio J. Vara, James A. Dougherty, Jeffrey S. Plotkin, Kolazi S. Narayanan, Paul D. Taylor
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Patent number: 5082874Abstract: This invention relates to aryloxy polyvinyl ethers having the formula ##STR1## wherein R is a radical having from 2 to 20 carbon atoms and is selected from the group of alkylene, alkyleneoxy alkylene, polyalkyleneoxy alkylene, arylene, alkarylene, alkarylalkylene and aralkylene; X is oxygen or sulfur; A is branched or linear alkylene having from 1 to 20 carbon atoms; B is halo or lower alkyl; n has a value of from 1 to 6 and p has a value of from 0 to 4. The invention also relates to the preparation and use of said aryloxy divinyl ethers.Type: GrantFiled: February 6, 1990Date of Patent: January 21, 1992Assignee: ISP Investments Inc.Inventors: Kou-Chang Liu, Fulvio J. Vara, James A. Dougherty
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Patent number: 5055357Abstract: This invention realtes to a radiation curable cross linkable composition containing (a) from about 0.1 to about 5 wt. % of an initiator containing at least 25% cationic initiator, (b) from about 0 to about 60 wt. % of a polymerizable vinyl ether, expoxide, vinyloxy alkyl urethane or acrylate and (c) from about 35 to about 99.9 wt. % of a polyfunctional alkenyl ether having the formulaA[(CH.sub.2 O).sub.m (Z).sub.r CH.dbd.CHR].sub.nwherein A is a carbon atom, --OCH.dbd.CHR or [C.sub.1 to C.sub.10 alkyl].sub.4-n ; R is C.sub.1 to C.sub.6 alkyl; Z is C.sub.2 to C.sub.8 alkyleneoxy; r has a value of from 0 to 6; m has a value of from 0 to 1 and at least one of r and m has a positive value; n has a value of from 1 to 4, with the proviso that m is 0 and n is one when A is --OCH.dbd.CHR, n has a value of 2 or 3 when A is [C.sub.1 to C.sub.10 alkyl].sub.4-n and n has a value of 4 when A is carbon.Type: GrantFiled: March 18, 1991Date of Patent: October 8, 1991Assignee: Isp Investments Inc.Inventors: Jeffrey S. Plotkin, James A. Dougherty, Fulvio J. Vara, Paul D. Taylor
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Patent number: 5045572Abstract: This invention relates to a radiation curable crosslinkable composition containing (a) from about 0.1 to about 5 wt. % of an initiator containing at least 25% cationic initiator, (b) from about 0 to about 60 wt. % of a polymerizable vinyl ether, epoxide, vinyloxy alkyl urethane or acrylate and (c) from about 35 to about 99.9% wt. % of a polyfunctional alkenyl ether having the formulaA[(CH.sub.2 O).sub.m (Z).sub.r CH.dbd.CHR].sub.nwherein A is a carbon atom, --OCH.dbd.CHR or [C.sub.1 to C.sub.10 alkyl].sub.4-n ; R is C.sub.1 to C.sub.6 alkyl; Z is C.sub.2 to C.sub.8 alkyleneoxy; r has a value of from 0 to 6; m has a value of from 0 to 1 and at least one of r and m has a positive value; n has a value of from 1 to 4, with the proviso that m is 0 and n is one when A is --OCH.dbd.CHR, n has a value of 2 or 3 when A is [C.sub.1 to C.sub.10 alkyl].sub.4-n and n has a value of 4 when A is carbon.Type: GrantFiled: January 26, 1990Date of Patent: September 3, 1991Assignee: GAF Chemicals CorporationInventors: Jeffrey S. Plotkin, James A. Dougherty, Fulvio J. Vara, Paul D. Taylor
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Patent number: 5039716Abstract: Subject invention relates to alk-1-enyl ether silicates having the formula[X].sub.4-n Si[OR.sub.1 OCH.dbd.CH--R.sub.2 ].sub.nwhereinX is halogen or --OR wherein R is lower alkyl or a mixture of halogen and OR, a mixture of OR and hydrogen or a mixture of halogen and hydrogen;R.sub.1 contains from 1 to 8 carbon atoms and is alkylene, alkenylene, alkynylene, optionally alkoxylated with up to 20 units of ##STR1## wherein Y is hydrogen or methyl and R.sub.2 is each hydrogen or lower alkyl and n has a value of from 1 to 4. The invention also relates to the process for preparing the above vinyl ether silicates and to their use as chemically resistant coatings.Type: GrantFiled: January 26, 1990Date of Patent: August 13, 1991Assignee: GAF Chemicals CorporationInventors: Fulvio J. Vara, James A. Dougherty, Jeffrey S. Plotkin, Kolazi S. Narayanan, Paul D. Taylor
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Patent number: 5036112Abstract: This invention relates to a cross-linkable, cationic radiation curable composition comprising (a) a non-volatile vinyl ether, epoxide, acrylate or an oligomer thereof (b) a cationic photoinitiator and (c) a divinyl ether polyacetal oligomer having the formula ##STR1## wherein n has a value of from 1 to 50;X is uniformly sulfur or oxygen;R is C.sub.2 to C.sub.4 alkeneoxy alkylene, poly(alkyleneoxy) alkylene, or a branched, linear or cyclic C.sub.2 to C.sub.20 alkylene andR' is phenylene, diphenylene methane, diphenylene propane, xylylene, tolylene, or a branched, linear or cyclic C.sub.2 to C.sub.20 alkylene optionally substituted with an ether, ester, carbonate, carbamate, C.sub.2 to C.sub.4 alkyleneoxy alkylene or poly(C.sub.2 to C.sub.4 alkyleneoxy) alkylene radical. The invention also relates to the composition cured on a substrate.Type: GrantFiled: January 26, 1990Date of Patent: July 30, 1991Assignee: GAF Chemicals CorporationInventors: James A. Dougherty, Jeffrey S. Plotkin, Fulvio J. Vara, Kolazi S. Narayanan
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Patent number: 4983425Abstract: This invention relates to a process for hardening a curable normally liquid hydrocarbon compound optionally substituted with an alkyloxy, ester aldehyde, amido, halo, sulfonate, sulfate, sulfite, mercapto or nitro group and containing at least one functional radical selected from the group of ##STR1## and--(X)C.dbd.C(Z)--Y--(CH.sub.2)--wherein Y is --O--, --S-- or --NH-- and X and Z are each independently hydrogen, alkylene having from 1 to 20 carbon atoms, aryl or a mixture thereof, which process comprises contacting said liquid for less than one minute with a hardening amount of a volatilized hard Lewis acid under anhydrous conditions and at a hardening temperature below the deformation temperature of any substrate material which may be used to support said liquid.Type: GrantFiled: September 1, 1989Date of Patent: January 8, 1991Assignee: GAF Chemicals CorporationInventors: Fulvio J. Vara, James A. Dougherty
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Patent number: 4980430Abstract: This invention relates to epoxy vinyl ethers having the formula: ##STR1## where R is a polyvalent linear, branched or cyclic hydrocarbon radical having from 2 to 20 carbon atoms, optionally substituted with alkyleneoxy; A is branched or linear C.sub.1 to C.sub.4 alkylene; B is halogen or lower alkyl; m has a value of from 0 to 4; n has a value of from 0 to 20; p has a value of from 1 to 5; and T is ##STR2## when p is one, and is ##STR3## or a mixture of ##STR4## and ##STR5## when p is greater than one.Type: GrantFiled: February 16, 1990Date of Patent: December 25, 1990Assignee: GAF Chemicals CorporationInventors: Kou-Chang Liu, Fulvio J. Vara, James A. Dougherty
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Patent number: 4980428Abstract: This invention relates to epoxy vinyl ethers having the formula: ##STR1## wherein R is a polyvalent linear, branched or cyclic hydrocarbon radical having from 2 to 20 carbon atoms, optionally substituted with alkylenoxy; n has a value of from 1 to 20; p has a value of from 1 to 6; and at least one of Y and Y' is ##STR2## which any remaining Y and Y' can be ##STR3## The invention also relates to the synthesis and uses of the above polyphenyl vinyl ethers.Type: GrantFiled: February 16, 1990Date of Patent: December 25, 1990Assignee: GAF Chemicals CorporationInventors: Kou-Chang Liu, Fulvio J. Vara, James A. Dougherty
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Patent number: 4954593Abstract: The invention relates to a copolymer having the structure ##STR1## wherein R.sub.3 is lower alkyl or hydrogen; x is an integer having a value of from 100 to 15,000; R.sub.1 is a saturated radical or a radical having a terminal vinyl group and is selected from the group consisting of alkoxylated vinyl; alkoxylated alkanol; alkyl optionally substituted with one or more vinyl ether, alkylate,hydroxy or alkoxylated vinyl groups and phenyl optionally substituted with one or more lower alkyl, hydroxy, alkoxylate or alkoxylated vinyl groups. The invention also relates to the use of said copolymer as a protective coating.Type: GrantFiled: August 18, 1989Date of Patent: September 4, 1990Assignee: GAF Chemical CorporationInventors: Fulvio J. Vara, James A. Dougherty, Jeffrey S. Plotkin