Patents by Inventor Lon-Tang Wilson Lin
Lon-Tang Wilson Lin 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: 11098220Abstract: This invention relates to coating compositions comprising at least one aminoplast crosslinker resin A, binder resins B that have active hydrogen functionality, and a catalyst composition C, wherein the catalyst composition C is a mixture of an organic sulfonic acid C1, and an amine C2 which may be primary, secondary, or tertiary, and which must have a pKa value of not more than 10, and preferably not less than 4, a process for the preparation thereof, and to a method of use thereof.Type: GrantFiled: January 28, 2014Date of Patent: August 24, 2021Assignee: ALLNEX NETHERLANDS B.V.Inventors: Kuang-Jong Wu, John Colin Brogan, Lon-Tang Wilson Lin
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Patent number: 9796805Abstract: This invention relates to aminoplast crosslinker resins compositions based on at least partially alkylated reaction products A of melamine, formaldehyde and an alkanol with the following parameters: the ratio of the amount of substance n(CH2O) of combined formaldehyde to the amount of substance n(Mel) of melamine is in the range of from 5.6 mol/mol to 6.2 mol/mol, the ratio of the amount of substance n(RO) of alkyl ether groups in the crosslinker resin to the amount of substance n(Mel) of melamine is in the range of from 5.0 mol/mol to 5.6 mol/mol, the mass fraction of monomer in the resin, calculated as the ratio of the mass of monomer m(1) to the mass m(A) of the reaction products A is between 35% and 55%, to a process for their preparation, and to a method of use thereof as crosslinker in combination with hydroxy-functional polymers for coating of heat-sensitive substrates.Type: GrantFiled: October 21, 2012Date of Patent: October 24, 2017Assignees: ALLNEX AUSTRIA GMBH, ALLNEX IP S.A.R.L.Inventors: Lon-Tang Wilson Lin, Kuang-Jong Wu, Katsumi Inagaki, Johann Billiani
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Publication number: 20150361295Abstract: This invention relates to coating compositions comprising at least one aminoplast crosslinker resin A, binder resins B that have active hydrogen functionality, and a catalyst composition C, wherein the catalyst composition C is a mixture of an organic sulfonic acid C1, and an amine C2 which may be primary, secondary, or tertiary, and which must have a pKa value of not more than 10, and preferably not less than 4, a process for the preparation thereof, and to a method of use thereof.Type: ApplicationFiled: January 28, 2014Publication date: December 17, 2015Applicant: ALLNEX IP S.À.R.L.Inventors: Kuang-Jong WU, John Colin BROGAN, Lon-Tang Wilson LIN
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Publication number: 20140302241Abstract: This invention relates to aminoplast crosslinker resins compositions based on at least partially alkylated reaction products A of melamine, formaldehyde and an alkanol with the following parameters: the ratio of the amount of substance n(CH2O) of combined formaldehyde to the amount of substance n(Mel) of melamine is in the range of from 5.6 mol/mol to 6.2 mol/mol, the ratio of the amount of substance n(RO) of alkyl ether groups in the crosslinker resin to the amount of substance n(Mel) of melamine is in the range of from 5.0 mol/mol to 5.6 mol/mol, the mass fraction of monomer in the resin, calculated as the ratio of the mass of monomer m(1) to the mass m(A) of the reaction products A is between 35% and 55%, to a process for their preparation, and to a method of use thereof as crosslinker in combination with hydroxy-functional polymers for coating of heat-sensitive substrates.Type: ApplicationFiled: October 21, 2012Publication date: October 9, 2014Inventors: Lon-Tang Wilson Lin, Kuang-Jong Wu, Katsumi Inagaki, Johann Billiani
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Patent number: 8043526Abstract: This invention relates to a crosslinking composition comprising an organic acid and a compound having the structure of Formula I: A?-NRA—RD wherein A?, RA, and RD are defined in the specification. This invention also relates to a process for producing the crosslinking composition by reacting an amino compound containing amino groups; a mono(alkylaldehyde) and/or a poly(alkylaldehyde), and an alcohol; and adding an organic compound where said amino compound is selected from the group consisting of triazine, linear or cyclic ureas, cyanuric acid, substituted cyanuric acids, linear or cyclic amides, glycolurils, hydantoins, linear or cyclic carbamates and mixtures thereof.Type: GrantFiled: September 17, 2008Date of Patent: October 25, 2011Assignee: Cytec Technology Corp.Inventors: Lon-Tang Wilson Lin, William Jacobs, III
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Publication number: 20090043072Abstract: This invention relates to a crosslinking composition comprising and organic acid and a compound having the structure of Formula I: A?—NRA—RD where A? is a moiety derived from the group consisting of triazines, linear or cyclic ureas, cyanuric acid, substituted cyanuric acids, linear or cyclic amides, glycolurils, hydantoins, linear or cyclic carbamates and mixtures thereof, or a moiety comprising the structure: where RA is RD, hydrogen, an alkyl of 1 to 20 carbon atoms, or taken together with A? forms a cyclic compound; RD is —CHRCORB, wherein RB is hydrogen, alkyl, aryl, aralkyl or an alkaryl having from 1 to about 24 carbon atoms and RC is an alkyl, halogenated alkyl, aryl, aralkyl, halogenated aralkyl, alkoxyalkyl or an alkaryl having from 1 to about 24 carbon atoms; A is a moiety derived from the group consisting of linear or cyclic ureas, cyanuric acid, substituted cyanuric acids, linear or cyclic amides, glycolurils, hydantoins, linear or cyclic carbamates and mixtures thereof; B is a residue ofType: ApplicationFiled: September 17, 2008Publication date: February 12, 2009Inventors: Lon-Tang Wilson Lin, William Jacobs, III
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Patent number: 7442325Abstract: This invention relates to a crosslinking composition comprising an organic acid and a compound having the structure of Formula I: A?-NRA—RD wherein A?, RA, and RD are defined in the specification. This invention also relates to a process for producing the crosslinking composition by reacting an amino compound containing amino groups; a mono(alkylaldehyde) and/or a poly(alkylaldehyde), and an alcohol; and adding an organic compound where said amino compound is selected from the group consisting of: triazine, linear or cyclic ureas, cyanuric acid, substituted cyanuric acids, linear or cyclic amides, glycolurils, hydantoins, linear or cyclic carba mates and mixtures thereof.Type: GrantFiled: September 29, 2004Date of Patent: October 28, 2008Assignee: Cytec Technology Corp.Inventors: Lon-Tang Wilson Lin, William Jacobs, III
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Patent number: 7034086Abstract: This invention relates to a crosslinking composition comprising a compound having the structure of Formula I: where Z is a hydrogen, an alkyl of 1 to about 18 carbon atoms, an aryl of about 6 to about 24 carbon atoms, an aralkyl of about 7 to about 24 carbon atoms, or —NR2R2; each R2 is independently hydrogen, an alkyl, aryl or an aralkyl of 1 to about 18 carbon atoms or R3; where R3 is —CHROR1 or where R is alkyl, halogenated alkyl, aryl, aralkyl, halogenated aralkyl, alkoxyalkyl or an alkaryl having from 1 to about 24 carbon atoms; R1 is a hydrogen, alkyl, aryl, aralkyl, alkoxyalkyl or an alkaryl having from 1 to about 24 carbon atoms; and where the alkyl or aryl groups in each radical may optionally have heteroatoms in their structure; B is a residue of a poly(alkylaldehyde) with n aldehyde groups; n is an integer of 2 to about 4; and A is an amino moiety derived from the group consisting of guanamine and melamine.Type: GrantFiled: March 31, 2003Date of Patent: April 25, 2006Assignee: Cytec Technology Corp.Inventors: Lon-Tang Wilson Lin, William Jacobs, III, Dimitri Verhage, Kuang-Jong Wu
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Publication number: 20040198908Abstract: This invention relates to a crosslinking composition comprising a compound having the structure of Formula I: 1Type: ApplicationFiled: March 31, 2003Publication date: October 7, 2004Inventors: Lon-Tang Wilson Lin, William Jacobs, Dimitri Verhage, Kuang-Jong Wu
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Patent number: 6207791Abstract: Described is a liquid, partially alkoxymethylated melamine crosslinker composition having from about 2.6 to about 4.6 moles of combined formaldehyde per mole of melamine, from about 1.4 to about 4.4 moles of alkyl per mole of melamine, from about 1.3 to about 3.4 moles of NH per mole of melamine, a free formaldehyde level of less than about 0.5 weight percent based on 100 percent solids, and an N-methylol level of less than about 6.0 weight percent; processes for its preparation; a low formaldehyde emitting curable composition containing the crosslinker; as well as a method of coating a substrate and substrates so coated.Type: GrantFiled: August 9, 2000Date of Patent: March 27, 2001Assignee: Cytec Technologies Corp.Inventors: John H. Bright, Barry A. Lawless, Robert G. Lees, Lon-Tang Wilson Lin, Jeno G. Szita
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Patent number: 6107441Abstract: Described is a liquid, partially alkoxymethylated melamine crosslinker composition having from about 2.6 to about 4.6 moles of combined formaldehyde per mole of melamine, from about 1.4 to about 4.4 moles of alkyl per mole of melamine, from about 1.3 to about 3.4 moles of NH per mole of melamine, a free formaldehyde level of less than about 0.5 weight percent based on 100 percent solids, and an N-methylol level of less than about 6.0 weight percent; processes for its preparation; a low formaldehyde emitting curable composition containing the crosslinker; as well as a method of coating a substrate and substrates so coated.Type: GrantFiled: July 31, 1998Date of Patent: August 22, 2000Assignee: Cytec Technology Corp.Inventors: John H. Bright, Barry A. Lawless, Robert G. Lees, Lon-Tang Wilson Lin, Jeno G. Szita
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Patent number: 6013797Abstract: At least bis-imido 1,3,5-triazines and processes of preparing the same are disclosed. Also disclosed are prepolymers having at least bis-imido functionality and curable compositions comprising at least bis-imido 1,3,5-triazines or prepolymers thereof in combination with active hydrogen and/or epoxy functional materials. The at least bis-imido 1,3,5-triazines and prepolymers may be advantageously employed as crosslinking agents which crosslink by a ring opening reaction that eliminates the release of volatile organic compounds.Type: GrantFiled: March 20, 1998Date of Patent: January 11, 2000Assignee: Cytec Technology Corp.Inventors: Lon-Tang Wilson Lin, Robert G. Lees, William F. Jacobs, III, Subban Ramesh
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Patent number: 5821323Abstract: Described is a liquid, partially alkoxymethylated melamine crosslinker composition having from about 2.6 to about 4.6 moles of combined formaldehyde per mole of melamine, from about 1.4 to about 4.4 moles of alkyl per mole of melamine, from about 1.3 to about 3.4 moles of NH per mole of melamine, a free formaldehyde level of less than about 0.5 weight percent based on 100 percent solids, and an N-methylol level of less than about 6.0 weight percent; processes for its preparation; a low formaldehyde emitting curable composition containing the crosslinker; as well as a method of coating a substrate and substrates so coated.Type: GrantFiled: August 15, 1997Date of Patent: October 13, 1998Assignee: Cytec Technology Corp.Inventors: John H. Bright, Barry A. Lawless, Robert G. Lees, Lon-Tang Wilson Lin, Jeno G. Szita
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Patent number: 5807929Abstract: At least bis-imido 1,3,5-triazines and processes of preparing the same are disclosed. Also disclosed are prepolymers having at least bis-imido functionality and curable compositions comprising at least bis-imido 1,3,5-triazines or prepolymers thereof in combination with active hydrogen and/or epoxy functional materials. The at least bis-imido 1,3,5-triazines and prepolymers may be advantageously employed as crosslinking agents which crosslink by a ring opening reaction that eliminates the release of volatile organic compounds.Type: GrantFiled: February 28, 1997Date of Patent: September 15, 1998Assignee: Cytec Technology Corp.Inventors: Lon-Tang Wilson Lin, Robert G. Lees, William F. Jacobs, III, Subban Ramesh
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Patent number: 5783642Abstract: Coating compositions containing new classes of 1,3,5-triazine compounds as crosslinkers are disclosed, which compounds are of the general formula ##STR1## wherein each of Y, Z, and optionally X are independently selected from a group of the formula (II), (III) and/or (IV) ##STR2## and wherein A, D, Q, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are as defined herein.Type: GrantFiled: July 3, 1997Date of Patent: July 21, 1998Assignee: Cytec Industries Inc.Inventors: Subban Ramesh, Laurence Lyman Williams, Ram Baboo Gupta, Lon-Tang Wilson Lin
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Patent number: 5777040Abstract: Curable compositions containing new classes of 1,3,5-triazine compounds as crosslinkers are disclosed, which compounds are of the general formula ##STR1## wherein each of Y, Z and optionally X are independently selected from a group of the formula (II), (III) and/or (IV) ##STR2## and wherein A, D, Q, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are as defined herein.Type: GrantFiled: July 3, 1997Date of Patent: July 7, 1998Assignee: Cytec Technology Corp.Inventors: Subban Ramesh, Laurence Lyman Williams, Ram Baboo Gupta, Lon-Tang Wilson Lin
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Patent number: 5672703Abstract: New classes of 1,3,5-triazine compounds and compositions containing the same are disclosed, which compounds are of the general formula ##STR1## wherein each of Y, Z and optionally X are independently selected from a group of the formula (II), (III) and/or (IV) ##STR2## These compounds and compositions are particularly suitable for use as crosslinking agents in curable compositions such as coatings, particularly in combination with active hydrogen groups-containing materials. The 1,3,5-triazine compounds of the present invention do not release formaldehyde as a volatile by-product during cure, and certain of these compounds may be used in curable compositions which may be cured at relatively low temperature. Processes for preparing such compounds, compositions containing the same, as well as additional uses thereof, are also disclosed.Type: GrantFiled: March 21, 1995Date of Patent: September 30, 1997Assignee: Cytec Technology Corp.Inventors: Subban Ramesh, Laurence Lyman Williams, Ram Baboo Gupta, Lon-Tang Wilson Lin