Patents Represented by Attorney, Agent or Law Firm Bart E. Lerman
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Patent number: 6015485Abstract: Provided are high activity catalysts based upon gamma alumina containing substrates impregnated with one or more catalytically active metals, which catalysts in addition contain a nanocrystalline phase of alumina of a crystallite size at the surface of less than 25 .ANG.. Also provided are processes for preparing such high activity catalysts and various uses thereof.Type: GrantFiled: September 25, 1995Date of Patent: January 18, 2000Assignee: Cytec Technology CorporationInventors: Peter Joseph Shukis, James Donald Carruthers, Vincent Joseph Lostaglio
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Patent number: 5817709Abstract: Sulfonimide cure catalysts are used with aminoplast crosslinking agents and resins capable of reacting with aminoplast crosslinking agents to prepare heat curable compositions capable of crosslinking to form coatings and articles. Liquid or solid curable compositions may be prepared. Solid sulfonimide catalysts used in combination with solid glycoluril type crosslinking agents are well suited for powder coating systems containing hydroxy- and carboxy-functional resins.Type: GrantFiled: June 5, 1995Date of Patent: October 6, 1998Assignee: Cytec Technology Corp.Inventors: Jeno G. Szita, Subban Ramesh, William Jacobs, III, John Colin Brogan
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Patent number: 5795499Abstract: Polymers are stabilized against degradation by the addition of a liquid composition comprising an organic solvent and at least 40% by weight of a triaryl triazine of the formula (I): ##STR1## wherein X, Y, and Z are each the same or different aromatic carbocyclic radicals, and at least one of X, Y, and Z is substituted by a hydroxy group ortho to the point of attachment to the triazine ring, and at least one of R1 to R9 is an alkoxy radical of the formula, --O-(mixed alkyl) substituted at a point para to the point of attachment to the triazine ring, and the remainder of R1 to R9 are selected from the group consisting of hydrogen, hydroxy, alkyl, alkoxy, sulfonic, carboxy, halo, haloalkyl, and acylamino; with the proviso that --O-(mixed alkyl) is an alkoxy radical formed from an mixture of isomeric C.sub.6 to C.sub.12 alkyl halides containing at least 10% each of at least three different isomers.Type: GrantFiled: May 31, 1995Date of Patent: August 18, 1998Assignee: Cytec Technology Corp.Inventor: Paul Sheldon Waterman
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Patent number: 5786477Abstract: Polymers are stabilized against degradation by the addition of a liquid composition comprising an organic solvent and at least 40% by weight of a triaryl triazine of the formula (I): ##STR1## wherein X, Y, and Z are each the same or different aromatic carbocyclic radicals, and at least one of X, Y, and Z is substituted by a hydroxy group ortho to the point of attachment to the triazine ring, and at least one of R1 to R9 is an alkoxy radical of the formula, --O--(mixed alkyl) substituted at a point para to the point of attachment to the triazine ring, and the remainder of R1 to R9 are selected from the group consisting of hydrogen, hydroxy, alkyl, alkoxy, sulfonic, carboxy, halo, haloalkyl, and acylamino; with the proviso that --O--(mixed alkyl) is an alkoxy radical formed from an mixture of isomeric C.sub.6 to C.sub.12 alkyl halides containing at least 10% each of at least three different isomers.Type: GrantFiled: May 31, 1995Date of Patent: July 28, 1998Assignee: Cytec Technology Corp.Inventor: Paul Sheldon Waterman
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Patent number: 5759700Abstract: Polymers are stabilized against degradation by the addition of a liquid composition comprising an organic solvent and at least 40% by weight of a triaryl triazine of the formula (I): ##STR1## wherein X, Y, and Z are each the same or different aromatic carbocyclic radicals, and at least one of X, Y, and Z is substituted by a hydroxy group ortho to the point of attachment to the triazine ring, and at least one of R1 to R9 is an alkoxy radical of the formula, --O--(mixed alkyl) substituted at a point para to the point of attachment to the triazine ring, and the remainder of R1 to R9 are selected from the group consisting of hydrogen, hydroxy, alkyl, alkoxy, sulfonic, carboxy, halo, haloalkyl, and acylamino; with the proviso that --O--(mixed alkyl) is an alkoxy radical formed from an mixture of isomeric C.sub.6 to C.sub.12 alkyl halides containing at least 10% each of at least three different isomers.Type: GrantFiled: May 31, 1995Date of Patent: June 2, 1998Assignee: Cytec Technology Corp.Inventor: Paul Sheldon Waterman
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Patent number: 5760228Abstract: Provided are hydroxy aryl triazine ultraviolet absorbers of the general formula ##STR1## wherein R.sup.19, R.sup.23 and R.sup.25 are independently selected from the group consisting hydrogen, hydroxy, alkyl of 1 to 12 carbon atoms, alkoxy of 1 to 12 carbon atoms, sulfonic, halo, carboxy, haloalkyl and acrylamino;R.sup.20, R.sup.21, R.sup.22 and R.sup.24 are independently selected from the group consisting hydrogen, alkyl of 1 to 12 carbon atoms, alkoxy of 1 to 12 carbon atoms, sulfonic, halo, carboxy, haloalkyl and acrylamino; andthe R moiety of the OR group is a linear, branched aliphatic or cycloaliphatic alkyl moiety containing 6 to 12 carbon atoms and is:(1) substituted by one or more hydroxy groups, or(2) substituted by one or more alkoxy groups of 1 to 12 carbon atoms, the so-substituted moiety being further substituted by one or more hydroxy groups.Type: GrantFiled: June 7, 1995Date of Patent: June 2, 1998Assignee: Cytec Technology Corp.Inventor: Paul Sheldon Waterman
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Patent number: 5726254Abstract: An acid cured coating composition containing a hydroxyfunctional acrylic or polyester resin and a 1,3,5-triazine-2,4,6-tris-carbamate. Also provided is an acid cured coating composition containing a hydroxyfunctional acrylic or polyester resin, a crosslinking agent such as a melamine-formaldehyde or a related aminoresin, and a co-crosslinking agent derived from a triazine tris-carbamate such as 2,4,6-tris-(butoxycarbonylamino)-1,3,5-triazine. Also provided is an improved method of coating using the above coating compositions. The coating compositions described in this invention have lower cure temperatures, lower formaldehyde emissions during cure, and produce films and objects which have superior environmental etch resistance than the conventional melamine-formaldehyde coatings which do not have a triazine tris-carbamate co-crosslinker.Type: GrantFiled: January 8, 1997Date of Patent: March 10, 1998Assignee: Cytec Technology Corp.Inventors: Kuang-Jong Wu, Doris C. O'Toole
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Patent number: 5721298Abstract: Polymers are stabilized against degradation by the addition of a liquid composition comprising an organic solvent and at least 40% by weight of a triaryl triazine of the formula (I): ##STR1## wherein X, Y, and Z are each the same or different aromatic carbocyclic radicals, and at least one of X, Y, and Z is substituted by a hydroxy group ortho to the point of attachment to the triazine ring, and at least one of R1 to R9 is an alkoxy radical of the formula, -O-(mixed alkyl) substituted at a point para to the point of attachment to the triazine ring, and the remainder of R1 to R9 are selected from the group consisting of hydrogen, hydroxy, alkyl, alkoxy, sulfonic, carboxy, halo, haloalkyl, and acylamino; with the proviso that -O-(mixed alkyl) is an alkoxy radical formed from an mixture of isomeric C.sub.6 to C.sub.12 alkyl halides containing at least 10% each of at least three different isomers.Type: GrantFiled: May 31, 1995Date of Patent: February 24, 1998Assignee: Cytec Technology Corp.Inventor: Paul Sheldon Waterman
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Patent number: 5714549Abstract: Waterborne coating compositions, methods of preparing the same and uses thereof are disclosed. The present waterborne coating compositions include an active hydrogen-containing surface active resin and a 1,3,5-triazine carbamate crosslinker dispersed in an aqueous medium, and are preferably formulated to be applied by spraying for use in automotive OEM applications.Type: GrantFiled: November 7, 1996Date of Patent: February 3, 1998Assignee: Cytec Technology Corp.Inventors: Kuang Jong Wu, Richard Quinn
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Patent number: 5714530Abstract: A synergistic stabilizer composition for polymers is described containing (i) a hydroxy-group containing triazine, and (ii) a 2,2,6,6-tetraalkyl piperidine compound. Also, described is a method of stabilizing polymers.Type: GrantFiled: June 7, 1995Date of Patent: February 3, 1998Assignee: Cytec Technology Corp.Inventor: Paul Sheldon Waterman
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Patent number: 5705641Abstract: Provided is a process for preparing an at least bis-carbamate functional 1,3,5-triazine by contacting an at least diamino-1,3,5-triazine, an acyclic organic carbonate and a base, as well as certain novel compositions producible thereby. Also provided are substantially halogen contamination free crosslinker compositions comprising the products obtainable by the process, and curable compositions based upon these crosslinkers.Type: GrantFiled: May 25, 1995Date of Patent: January 6, 1998Assignee: Cytec Technology Corp.Inventors: Lawrence A. Flood, Ram B. Gupta, Revathi Iyengar, David A. Ley, Vankatarao K. Pai
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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
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Patent number: 5665852Abstract: Novel substituted urea and oxime carbamate modified amino crosslinking agents, curable compositions containing the same, including curable powder coating compositions, are disclosed. Also disclosed is a novel process for preparing pyrrolidone urea.Type: GrantFiled: June 7, 1995Date of Patent: September 9, 1997Assignee: Cytec Technology Corp.Inventors: Balwant Singh, Laurence W. Chang, Larry S. Anderson, Stephen F. Donovan
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Patent number: 5648434Abstract: Sulfonimide cure catalysts are used with aminoplast crosslinking agents and resins capable of reacting with aminoplast crosslinking agents to prepare heat curable compositions capable of crosslinking to form coatings and articles. Liquid or solid curable compositions may be prepared. Solid sulfonimide catalysts used in combination with solid glycoluril type crosslinking agents are well suited for powder coating systems containing hydroxy- and carboxy-functional resins.Type: GrantFiled: June 5, 1995Date of Patent: July 15, 1997Assignee: Cytec Technology Corp.Inventors: Jeno G. Szita, Subban Ramesh, William Jacobs, III, John Colin Brogan
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Patent number: 5643682Abstract: Sulfonimide cure catalysts are used with aminoplast crosslinking agents and resins capable of reacting with aminoplast crosslinking agents to prepare heat curable compositions capable of crosslinking to form coatings and articles. Liquid or solid curable compositions may be prepared. Solid sulfonimide catalysts used in combination with solid glycoluril type crosslinking agents are well suited for powder coating systems containing hydroxy- and carboxy-functional resins.Type: GrantFiled: November 16, 1992Date of Patent: July 1, 1997Assignee: Cytec Technology Corp.Inventors: Jeno G. Szita, Subban Ramesh, William Jacobs, III, John Colin Brogan
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Patent number: 5643499Abstract: Galvanic degradation under salt spray or salt water conditions in hybrid structures containing a corrosible metal and a conductive-fiber reinforced polymer matrix composite is reduced through the addition to the polymer matrix of the composite of an effective amount of an inorganic corrosion/degradation inhibitor.Type: GrantFiled: September 14, 1993Date of Patent: July 1, 1997Assignee: Cytec Technology Corp.Inventors: Jack D. Boyd, Lawrence C. Hopper
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Patent number: 5641885Abstract: The present invention relates to carboxylated amino-1,3,5-triazines represented by the formula: ##STR1## wherein Z and Z.sup.1 are independently selected from the group consisting of hydrogen, a hydrocarbyl, a hydrocarbyloxy and a group represented by the formula --N(Q).sub.2 ; each Q is independently selected from the group consisting of hydrogen, a hydrocarbyl and a group Y, with the proviso that no more than one Q in each --N(Q.sub.2) is Y; and Y is selected from the group consisting of a carboxyl group and a carboxylate salt group. These carboxylated amino-1,3,5-triazines find use, for example, as intermediates in the production of other useful amino-1,3,5-triazine derivatives, particularly carbamate and isocyanate functional 1,3,5-triazines. The so-produced derivatives may find use as, for example, crosslinking agents in curable compositions.Type: GrantFiled: May 18, 1995Date of Patent: June 24, 1997Assignee: Cytec Technology Corp.Inventors: Lawrence Allen Flood, Ram Baboo Gupta
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Patent number: 5639565Abstract: Galvanic degradation under salt spray or salt water conditions in hybrid structures containing a corrosible metal and a conductive-fiber reinforced polymer matrix composite is reduced through the addition to the polymer matrix of the composite of an effective amount of an inorganic corrosion/degradation inhibitor.Type: GrantFiled: May 15, 1995Date of Patent: June 17, 1997Assignee: Cytec Technology Corp.Inventors: Jack D. Boyd, Lawrence C. Hopper
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Patent number: 5621052Abstract: Novel aminoplast anchored UV stabilizers are provided. Compared to unanchored stabilizers, the anchored stabilizers disclosed herein have increased compatibility with coating resins and have reduced volatility due to higher molecular weights resulting from anchoring. A process for preparing the anchored stabilizers by the reaction of unanchored stabilizers with alkoxymethylated aminoplasts in a sulfuric acid medium is also provided. The unanchored stabilizers include 2-(2-hydroxyaryl)benzotriazoles, 2-hydroxybenzophenones, 2-(2-hydroxyaryl)-4,6-diaryl-1,3,5-triazines, salicylic acid derivatives, 2-hydroxyoxanilides, and blocked derivatives thereof as well as mixtures of two or more stabilizers. The aminoplasts include alkoxymethylated derivatives of glycolurils, melamines, and benzoguanamines.Type: GrantFiled: December 29, 1992Date of Patent: April 15, 1997Assignee: Cytec Technology Corp.Inventors: Jeno G. Szita, Paul S. Waterman
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Patent number: 5612084Abstract: Novel aminoplast anchored UV stabilizers are provided. Compared to unanchored stabilizers, the anchored stabilizers disclosed herein have increased compatibility with coating resins and have reduced volatility due to higher molecular weights resulting from anchoring. A process for preparing the anchored stabilizers by the reaction of unanchored stabilizers with alkoxymethylated aminoplasts in a sulfuric acid medium is also provided. The unanchored stabilizers include 2-(2-hydroxyaryl)benzotriazoles, 2-hydroxybenzophenones, 2-(2-hydroxyaryl)-4,6-diaryl-1,3,5-triazines, salicylic acid derivatives, 2-hydroxyoxanilides, and blocked derivatives thereof as well as mixtures of two or more stabilizers. The aminoplasts include alkoxymethylated derivatives of glycolurils, melamines, and benzoguanamines.Type: GrantFiled: May 23, 1995Date of Patent: March 18, 1997Assignee: Cytec Technology Corp.Inventors: Jeno G. Szita, Paul S. Waterman