Patents by Inventor Paul S. Waterman
Paul S. Waterman 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: 5863982Abstract: Quaternized tertiary aminomethyl acrylamide polymer emulsions are treated by 1) adjusting the pH to about 3.6 to about 4.8, 2) adding a formaldehyde scavenger, 3) adjusting the water content of the aqueous phase to result in about 10-45 weight percent of quaternized aminomethylated acrylamide polymer and 4) heating the resultant emulsion at from about 40.degree. C. to about 80.degree. C. for about 3 to about 20 hours so as to render them more stable, capable of inversion in water independent of water temperature or pH of the medium flocculent and superior dewatering ability.Type: GrantFiled: May 1, 1997Date of Patent: January 26, 1999Assignee: Cytec Technology Corp.Inventors: Sun Yi Huang, Andrea Leone-Bay, Joseph Michael Schmitt, Paul S. Waterman
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Patent number: 5763523Abstract: Stable compositions as flocculants comprising a blend of at least two inverse emulsions, at least one of which is a polymeric microemulsion, provide effective flocculating performance over time. Methods for preparing stable emulsion blends use stabilizing amounts of aldehyde scavenger.Type: GrantFiled: November 12, 1996Date of Patent: June 9, 1998Assignee: Cytec Technology Corp.Inventors: Haunn-Lin Chen, Richard F. Rice, Louis Rosati, Paul S. Waterman
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Patent number: 5763530Abstract: Stable compositions comprising a blend of at least two inverse emulsions, at least one of which is a polymeric microemulsion, provide effective flocculating performance over time. Methods for preparing stable emulsion blends use stabilizing amounts of aldehyde scavenger.Type: GrantFiled: November 12, 1996Date of Patent: June 9, 1998Assignee: Cytec Technology Corp.Inventors: Haunn-Lin Chen, Richard F. Rice, Louis Rosati, Paul S. Waterman
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Patent number: 5670615Abstract: Quaternized tertiary aminomethyl acrylamide polymer emulsions are treated by 1) adjusting the pH to about 3.6 to about 4.8, 2) adding a formaldehyde scavenger, 3) adjusting the water content of the aqueous phase to result in about 10-45 weight percent of quaternized aminomethylated acrylamide polymer and 4) heating the resultant emulsion at from about 40.degree. C. to about 80.degree. C. for about 3 to about 20 hours so as to render them more stable, capable of inversion in water independent of water temperature or pH of the medium flocculant and superior dewatering ability.Type: GrantFiled: May 23, 1995Date of Patent: September 23, 1997Assignee: Cytec Technology Corp.Inventors: Sun Yi Huang, Andrea Leone-Bay, Joseph Michael Schmitt, Paul S. Waterman
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Patent number: 5627260Abstract: Quaternized tertiary aminomethyl acrylamide polymer emulsions are treated by 1) adjusting the pH to about 3.6 to about 4.8, 2) adding a formaldehyde scavenger, 3) adjusting the water content of the aqueous phase to result in about 10-45 weight percent of quaternized aminomethylated acrylamide polymer and 4) heating the resultant emulsion at from about 40.degree. C. to about 80.degree. C. for about 3 to about 20 hours so as to render them more stable, capable of inversion in water independent of water temperature or pH of the medium flocculant and superior dewatering ability.Type: GrantFiled: February 12, 1993Date of Patent: May 6, 1997Assignee: Cytec Technology Corp.Inventors: Sun Y. Huang, Andrea Leone-Bay, Joseph M. Schmitt, Paul S. Waterman
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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
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Patent number: 5605986Abstract: 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: February 25, 1997Assignee: Cytec Technology Corp.Inventors: Jeno G. Szita, Paul S. Waterman
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Patent number: 5563224Abstract: 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: October 8, 1996Assignee: Cytec Technology Corp.Inventors: Jeno G. Szita, Paul S. Waterman
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Patent number: 5547753Abstract: 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-tri-azines, 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: August 20, 1996Assignee: Cytec Technology Corp.Inventors: Jeno G. Szita, Paul S. Waterman
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Patent number: 5461151Abstract: A hydroxy group-containing aryl triazine ultraviolet absorber represented by the formula: ##STR1## wherein the R moiety of the OR group is a linear or branched aliphatic alkyl group containing 3 carbon atoms substituted by one or more alkoxy groups of 1 to 12 carbon atoms, said moiety being further substituted by one or more hydroxy groups, andwherein R.sup.19, R.sup.20, R.sup.21, R.sup.22, R.sup.23, R.sup.24 and R.sup.25 are independently selected from the group consisting of hydrogen, hydroxy, alkyl of 1 to 12 carbon atoms, alkoxy of 1 to 12 carbon atoms, sulfonic, halo, carboxy, haloalkyl and acrylamino.Type: GrantFiled: February 18, 1994Date of Patent: October 24, 1995Assignee: Cytec Technology CorporationInventor: Paul S. Waterman
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Patent number: 4788303Abstract: A process is disclosed for preparation of novel epoxy-substituted aralkyl isocyanates by reaction of tertiary aralkyl olefins and an epoxidizing agent at a temperature of from -35.degree. C. to about 50.degree. C. The compounds are useful as intermediates to produce curing agents for polyfunctional active hydrogen-containing compounds, e.g., by reaction with polyols to produce epoxy-pendant urethanes and then with polyamines, and the like.Type: GrantFiled: December 14, 1987Date of Patent: November 29, 1988Assignee: American Cyanamid CompanyInventor: Paul S. Waterman
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Patent number: 4778837Abstract: A method of stabilizing an acid cured coating formulation against photo and/or thermal degradation without adverse effect on acid cure is disclosed. The method discloses incorporating a stabilizingly effective amount of a hindered amine light stabilizer (HALS) represented by Formula I: ##STR1## wherein R is a saturated or unsaturated, optionally alkyl- or alkenyl-substituted alkylene or cycloalkylene radical having 2-20 C-atoms and R' is selected from the group consisting of:hydrogen;an alkyl radical having 1-20 C-atoms;an alkenyl radical having 3-5 C-atoms;an aralkyl radical having 7-12 C-atoms;--CH.sub.2 --CH.sub.2 --CN;--CH.sub.2 --COO--alkyl;--CH.sub.2 --CH(CH.sub.3)--COO--alkyl; an acyl radical; and--(CH.sub.2 --CH.sub.2 O).sub.n H, wherein n can be 1-10.Also disclosed is an acid cured coating composition stabilized against photo and/or thermal degradation. The composition comprises: a stabilizingly effective amount of HALS represented by Formula I above.Type: GrantFiled: December 24, 1986Date of Patent: October 18, 1988Assignee: American Cyanamid CompanyInventors: Paul S. Waterman, Frank F. Loffelman
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Patent number: 4731428Abstract: A process is disclosed for preparation of novel epoxy-substituted aralkyl isocyanates by reaction of tertiary aralkyl olefins and an epoxidizing agent at a temperature of from -35.degree. C. to about 50.degree. C. The compounds are useful as intermediates to produce curing agents for polyfunctional active hydrogen-containing compounds, e.g., by reaction with polyols to produce epoxy-pendant urethanes and then with polyamines, and the like.Type: GrantFiled: November 3, 1986Date of Patent: March 15, 1988Assignee: American Cyanamid Co.Inventor: Paul S. Waterman
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Patent number: 4578513Abstract: A new and improved process for making phenylisopropylurea derivatives having the formula: ##STR1## wherein R.sup.1 is selected from hydrogen, halogen, alkyl, alkenyl, haloalkyl or R.sup.2 groups and R.sup.2 is selected from phenyl, alkyl-substituted phenyl alkoxy-substituted phenyl or haloalkyl-substituted phenyl is disclosed. The process comprises reacting a substituted urea of the formula: ##STR2## with an alkenyl aromatic compound of the formula: ##STR3## in a polar aprotic solvent, in the presence of an acid catalyst, preferably, sulfuric acid, substituted sulfonic acids or Lewis acids, and stirring the reaction mixture at a temperature of about 20.degree. to 80.degree. C. until formation of the precipitated phenylisopropylurea derivative is substantially complete.Type: GrantFiled: November 16, 1984Date of Patent: March 25, 1986Assignee: American Cyanamid CompanyInventors: Balwant Singh, Paul S. Waterman