Patents by Inventor Matthew E. Gande
Matthew E. Gande 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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Publication number: 20230374163Abstract: Polymers comprising an alginate which is ionically crosslinked with unsubstituted dicarboxylate-bridged multivalent cations, products including such polymers, and methods of their manufacture.Type: ApplicationFiled: August 13, 2021Publication date: November 23, 2023Applicant: KEEL LABS, INC.Inventors: Garret D. FIGULY, Matthew E. GANDE, Minji KIM, Ray William MILLER
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Publication number: 20230303725Abstract: Polymers comprising an alginate which is ionically crosslinked with hetero-substituted dicarboxylate-bridged multivalent cations, products including such polymers, and methods of their manufacture.Type: ApplicationFiled: August 13, 2021Publication date: September 28, 2023Applicant: KEEL LABS, INC.Inventors: Garret D. FIGULY, Matthew E. GANDE, Minji KIM, Ray William MILLER
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Publication number: 20120184170Abstract: Disclosed are electret materials with outstanding thermal and charge stability. The electret materials comprise a melt blend of a thermoplastic polymer and one or more compounds selected from the aromatic trisamides. The aromatic trisamides are for example of the formula The melt blends are subjected to an electret treatment, for example a corona treatment. The electret materials are for example nonwoven polyolefin webs and are employed as filter materials, wipes, absorbent materials, filter masks, acoustic materials, printing substrates, measuring devices or contactless switches. The present electret materials may also comprise a further additive selected from the hindered amine light stabilizers and the hydroxyphenylalkylphosphonic esters or monoesters.Type: ApplicationFiled: March 27, 2012Publication date: July 19, 2012Inventors: Hui Chin, Andrew J. Leggio, Matthew E. Gande, Anthony D. DeBellis, Sai P. Shum, Per Magnus Kristiansen, Klaus Stoll
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Publication number: 20110230109Abstract: Disclosed are electret materials with outstanding thermal and charge stability. The electret materials comprise a melt blend of a thermoplastic polymer and one or more compounds selected from the aromatic trisamides. The aromatic trisamides are for example of the formula The melt blends are subjected to an electret treatment, for example a corona treatment. The electret materials are for example nonwoven polyolefin webs and are employed as filter materials, wipes, absorbent materials, filter masks, acoustic materials, printing substrates, measuring devices or contactless switches. The present electret materials may also comprise a further additive selected from the hindered amine light stabilizers and the hydroxyphenylalkylphosphonic esters or monoesters.Type: ApplicationFiled: June 2, 2011Publication date: September 22, 2011Inventors: Hui Chin, Andrew J. Leggio, Matthew E. Gande, Anthony D. DeBellis, Sai P. Shum, Per Magnus Kristiansen, Klaus Stoll
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Patent number: 7947767Abstract: Disclosed are electret materials with outstanding thermal and charge stability. The electret materials comprise a melt blend of a thermoplastic polymer and one or more hindered hydroxylamine ester compounds that comprise at least one moiety of the formula I where Ra? is a monoacyl or diacyl radical; R1-R4 are each C1-C6alkyl; and R5 and R6 are each, independently of one another, hydrogen, C1-C6alkyl or C6-C10aryl; or R5 and R6 are together oxygen. The melt blends are subjected to an electet treatment, for example a corona treatment. The electret materials are for example nonwoven polyolefin webs and are employed as filter materials, wipes, absorbent materials, filter masks, acoustic materials, printing substrates, measuring devices or contactless switches. The present electret materials may also comprise a further additive selected from the group consisting of the hindered amine light stabilizers, the hydroxyphenylalkylphosphonic esters or monoesters and the aromatic trisamide nucleating agents.Type: GrantFiled: January 12, 2010Date of Patent: May 24, 2011Assignee: BASF SEInventors: Hui Chin, Matthew E. Gande, Andrew J. Leggio
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Publication number: 20100112886Abstract: Disclosed are electret materials with outstanding thermal and charge stability. The electret materials comprise a melt blend of a thermoplastic polymer and one or more hindered hydroxylamine ester compounds that comprise at least one moiety of the formula I where Ra? is a monoacyl or diacyl radical; R1-R4 are each C1-C6alkyl; and R5 and R6 are each, independently of one another, hydrogen, C1-C6alkyl or C6-C10aryl; or R5 and R6 are together oxygen. The melt blends are subjected to an electet treatment, for example a corona treatment. The electret materials are for example nonwoven polyolefin webs and are employed as filter materials, wipes, absorbent materials, filter masks, acoustic materials, printing substrates, measuring devices or contactless switches. The present electret materials may also comprise a further additive selected from the group consisting of the hindered amine light stabilizers, the hydroxyphenylalkylphosphonic esters or monoesters and the aromatic trisamide nucleating agents.Type: ApplicationFiled: January 12, 2010Publication date: May 6, 2010Inventors: Hui Chin, Matthew E. Gande, Andrew J. Leggio
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Patent number: 7666931Abstract: Disclosed are electret materials with outstanding thermal and charge stability. The electret materials comprise a melt blend of a thermoplastic polymer and one or more hindered hydroxylamine ester compounds that comprise at least one moiety of the formula I where Ra? is a monoacyl or diacyl radical; R1-R4 are each C1-C6alkyl; and R5 and R6 are each, independently of one another, hydrogen, C1-C6alkyl or C6-C10aryl; or R5 and R6 are together oxygen. The melt blends are subjected to an electet treatment, for example a corona treatment. The electret materials are for example nonwoven polyolefin webs and are employed as filter materials, wipes, absorbent materials, filter masks, acoustic materials, printing substrates, measuring devices or contactless switches. The present electret materials may also comprise a further additive selected from the group consisting of the hindered amine light stabilizers, the hydroxyphenylalkylphosphonic esters or monoesters and the aromatic trisamide nucleating agents.Type: GrantFiled: April 3, 2007Date of Patent: February 23, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Hui Chin, Matthew E. Gande, Andrew J. Leggio
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Publication number: 20090025281Abstract: Disclosed is a stabilized diesel fuel composition comprising a) a diesel fuel with a cetane number less than or equal to 50, b) an effective amount of at least one compound selected from the group consisting of the cetane improvers and c) i) an effective stabilizing amount of at least one compound selected from the group consisting of the stable nitroxide compounds or ii) an effective synergistic stabilizing amount of at least one compound selected from the group consisting of the stable nitroxide compounds and at least one antioxidant compound selected from the group consisting of the aromatic amine antioxidants and the hindered phenolic antioxidants. The cetane improvers are for example nitrate esters. The diesel fuel compositions exhibit improved filterability.Type: ApplicationFiled: September 29, 2008Publication date: January 29, 2009Inventors: Matthew E. Gande, Leslie R. Gatechair, Ramraj Venkatadri, Andrew Waynick, Steve Westbrook
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Publication number: 20080249269Abstract: Disclosed are electret materials with outstanding thermal and charge stability. The electret materials comprise a melt blend of a thermoplastic polymer and one or more compounds selected from the aromatic trisamides. The aromatic trisamides are for example of the formula The melt blends are subjected to an electret treatment, for example a corona treatment. The electret materials are for example nonwoven polyolefin webs and are employed as filter materials, wipes, absorbent materials, filter masks, acoustic materials, printing substrates, measuring devices or contactless switches. The present electret materials may also comprise a further additive selected from the hindered amine light stabilizers and the hydroxyphenylalkylphosphonic esters or monoesters.Type: ApplicationFiled: March 27, 2008Publication date: October 9, 2008Inventors: Hui Chin, Andrew J. Leggio, Matthew E. Gande, Anthony D. DeBellis, Sai P. Shum, Per Magnus Kristiansen, Klaus Stoll
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Publication number: 20080176475Abstract: The present invention is aimed at a method of providing wettability to polyester fibers or filaments, to woven or nonwoven fabrics made therefrom and to resultant articles of manufacture. The method comprises melt extruding a mixture comprising a polyester and one or more additives selected from the group consisting of a) phenylalkyl-oxy-alkyl metal sulfonates of the formula b) alkyl-oxy-alkyl metal sulfonates of the formula c) polyethyleneoxy-alkyl metal sulfonates of the formula d) alkyl-polyethyleneoxy-alkyl metal sulfonates of the formula and e) alkyl-1,2-disulfonate metal sulfonates where m is 0, 1 or 2, n is an integer from 1 to 6, p is an integer from 1 to 16, R is alkyl of 1 to 24 carbon atoms and M is Na, K or Li. into a plurality of fibers or filaments and cooling the fibers or filaments.Type: ApplicationFiled: January 23, 2008Publication date: July 24, 2008Inventors: Suhas D. Sahasrabudhe, Paragkumar N. Thanki, Archana K. Desai, Vinayak M. Kavitkar, Matthew E. Gande, Andrew J. Leggio, Ashutosh H. Sharma
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Publication number: 20070235903Abstract: Disclosed are electret materials with outstanding thermal and charge stability. The electret materials comprise a melt blend of a thermoplastic polymer and one or more hindered hydroxylamine ester compounds that comprise at least one moiety of the formula I where Ra? is a monoacyl or diacyl radical; R1-R4 are each C1-C6alkyl; and R5 and R6 are each, independently of one another, hydrogen, C1-C6alkyl or C6-C10aryl; or R5 and R6 are together oxygen. The melt blends are subjected to an electet treatment, for example a corona treatment. The electret materials are for example nonwoven polyolefin webs and are employed as filter materials, wipes, absorbent materials, filter masks, acoustic materials, printing substrates, measuring devices or contactless switches. The present electret materials may also comprise a further additive selected from the group consisting of the hindered amine light stabilizers, the hydroxyphenylalkylphosphonic esters or monoesters and the aromatic trisamide nucleating agents.Type: ApplicationFiled: April 3, 2007Publication date: October 11, 2007Inventors: Hui Chin, Matthew E. Gande, Andrew J. Leggio
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Publication number: 20040216370Abstract: Disclosed is a stabilized diesel fuel composition comprising a) a diesel fuel with a cetane number less than or equal to 50, b) an effective amount of at least one compound selected from the group consisting of the cetane improvers and c) i) an effective stabilizing amount of at least one compound selected from the group consisting of the stable nitroxide compounds or ii) an effective synergistic stabilizing amount of at least one compound selected from the group consisting of the stable nitroxide compounds and at least one antioxidant compound selected from the group consisting of the aromatic amine antioxidants and the hindered phenolic antioxidants. The cetane improvers are for example nitrate esters. The diesel fuel compositions exhibit improved filterability.Type: ApplicationFiled: March 25, 2004Publication date: November 4, 2004Inventors: Matthew E. Gande, Leslie R. Gatechair, Ramraj Venkatadri, Andrew Waynick, Steve Westbrook
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Patent number: 6080864Abstract: Selected derivatives of 1-oxyl-2,2,6,6-tetramethyl-4-hydroxypiperidine are surprisingly effective as inhibitors to prevent the premature polymerization of acrylic and methacrylic acids, their esters, their amides, vinyl acetate and acrylonitrile in the presence of water. Some of these derivatives are new compounds.Type: GrantFiled: February 1, 1999Date of Patent: June 27, 2000Assignee: Ciba Specialty Chemicals CorporationInventors: Glen T. Cunkle, Matthew E. Gande, Raymond Seltzer, Thomas F. Thompson
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Patent number: 5932735Abstract: Selected derivatives of 1-oxyl-2,2,6,6-tetramethyl-4-hydroxypiperidine are surprisingly effective as inhibitors to prevent the premature polymerization of acrylic and methacrylic acids, their esters, their amides, vinyl acetate and acrylonitrile in the presence of water. Some of these derivatives are new compounds.Type: GrantFiled: June 10, 1998Date of Patent: August 3, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Glen T. Cunkle, Matthew E. Gande, Raymond Seltzer, Thomas F. Thompson
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Patent number: 5928558Abstract: Selected derivatives of 1-oxyl-2,2,6,6-tetramethyl-4-aminopiperidine are surprisingly effective as inhibitors to prevent the premature polymerization of acrylic and methacrylic acids, their esters, their amides, vinyl acetate and acrylonitrile in the presence of water.Type: GrantFiled: April 23, 1998Date of Patent: July 27, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Glen T. Cunkle, Matthew E. Gande, Raymond Seltzer
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Patent number: 5877344Abstract: Ethylenically unsaturated carboxyl monomers, such as acrylic or methacrylic acid or their esters, are protected from premature polymerization during manufacture and storage in the presence or absence of water by the incorporation therein of an effective stabilizing amount of a blend two or more nitroxides. Some of these blends provide synergistic stabilization efficacy much superior to the stabilization results obtained by use of either nitroxide alone.Type: GrantFiled: June 13, 1997Date of Patent: March 2, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Matthew E. Gande, Glen T. Cunkle, Leslie R. Gatechair, Stephen D. Pastor, Raymond Seltzer, Roland A.E. Winter
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Patent number: 5750765Abstract: Ethylenically unsaturated monomers are protected from premature polymerization during manufacture and storage by the incorporation therein of an effective stabilizing amount of a 7-substituted quinone methide compound.Type: GrantFiled: August 27, 1996Date of Patent: May 12, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Peter Nesvadba, Samuel Evans, Matthew E. Gande, Volker H. von Ahn, Roland A. E. Winter
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Patent number: 5711767Abstract: The use of nitroxide compounds alone or in combination with aromatic amines, such as substituted phenylenediamines, or phenolic antioxidants provides an effective way to prevent oxidative degradation and gum formation in gasolines, especially unstable coker and pyrolysis gasolines.Type: GrantFiled: July 11, 1996Date of Patent: January 27, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Matthew E. Gande, Paul A. Odorisio, Ramraj Venkatadri, Geoffrey W. Broadhurst
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Patent number: 5670692Abstract: Ethylenically unsaturated monomers are protected from premature polymerization during manufacture and storage by the incorporation therein of an effective stabilizing amount of a 7-substituted quinone methide compound.Type: GrantFiled: August 27, 1996Date of Patent: September 23, 1997Assignee: Ciba-Geigy CorporationInventors: Peter Nesvadba, Samuel Evans, Matthew E. Gande, Volker H. von Ahn, Roland A. E. Winter
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Patent number: 5616774Abstract: Ethylenically unsaturated monomers are protected from premature polymerization during manufacture and storage by the incorporation therein of an effective stabilizing amount of a 7-aryl quinone methide compound.Type: GrantFiled: April 14, 1995Date of Patent: April 1, 1997Assignee: Ciba-Geigy CorporationInventors: Samuel Evans, Matthew E. Gande, Peter Nesvadba, Volker H. von Ahn, Roland A. E. Winter