Patents by Inventor Charles P. Tarnoski
Charles P. Tarnoski 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: 6914103Abstract: A powder coating composition includes an epoxy resin and a styrene-maleic anhydride copolymer having a glass transition temperature less than 105° C. The compositions provide low gloss finishes at low curing temperatures, as well as consistent gloss over a wide range of curing temperatures.Type: GrantFiled: October 9, 2002Date of Patent: July 5, 2005Assignee: Rohm and Haas CompanyInventors: Tina L. Tullos, Gordon L. Tullos, Brian T. Myers, Charles P. Tarnoski
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Patent number: 6905778Abstract: A powder coating composition includes an acid-functional polyester resin and a matting agent selected from styrene-maleic anhydride copolymers and acid-functional acrylic resins. The compositions provide low gloss finishes at low curing temperatures, as well as consistent gloss over a wide range of curing temperatures.Type: GrantFiled: October 9, 2002Date of Patent: June 14, 2005Assignee: Rohm and Haas CompanyInventors: Tina L. Tullos, Brian T. Myers, Charles P. Tarnoski
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Publication number: 20040018311Abstract: The polyester resin based coating powders described herein contain semi-crystalline polyester resins and amorphous polyester resins formed from polyols and polyacids.Type: ApplicationFiled: July 9, 2003Publication date: January 29, 2004Inventors: Navin B. Shah, Charles P. Tarnoski
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Publication number: 20030134978Abstract: A powder coating composition includes an acid-functional polyester resin and a matting agent selected from styrene-maleic anhydride copolymers and acid-functional acrylic resins. The compositions provide low gloss finishes at low curing temperatures, as well as consistent gloss over a wide range of curing temperatures.Type: ApplicationFiled: October 9, 2002Publication date: July 17, 2003Inventors: Tina L. Tullos, Brian T. Myers, Charles P. Tarnoski
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Publication number: 20030124248Abstract: A powder coating composition includes an epoxy resin and a styrene-maleic anhydride copolymer having a glass transition temperature less than 105° C. The compositions provide low gloss finishes at low curing temperatures, as well as consistent gloss over a wide range of curing temperatures.Type: ApplicationFiled: October 9, 2002Publication date: July 3, 2003Inventors: Tina L. Tullos, Gordon L. Tullos, Brian T. Myers, Charles P. Tarnoski
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Patent number: 6506498Abstract: Coating powders are provided which provide high-temperature, translucent coatings useful for light-emitting devices such as incandescent bulbs. The coating powders comprise a binder, at least 90 wt % up to 100 wt % of which is a silicone resin. The coating powders are filled with between about 10 and about 50 phr of fillers selected from the group consisting of needle-like calcium metasilicate, mica, rod-like glass particles, and mixtures thereof, the fillers having aspect ratios between about 8 and about 40.Type: GrantFiled: March 16, 2001Date of Patent: January 14, 2003Assignee: Rohm and Haas CompanyInventors: Owen H. Decker, Charles P. Tarnoski, Lee F. Spencer, Roy M. Berstler, James G. Fotiou
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Patent number: 6316049Abstract: Coating compositions comprising an epoxy resin and a curative which is methylenedisalicylic acid and/or a methylendisalicylic acid ring-substituted homologue are found to cure at and produce a wrinkle finish at relatively low temperatures when a borontrifluoride:amine complex is used as the cure catalyst.Type: GrantFiled: January 4, 2000Date of Patent: November 13, 2001Assignee: Rohm and Haas CompanyInventors: Owen H. Decker, Charles P. Tarnoski, Michele L. Cramer
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Publication number: 20010020059Abstract: Coating powders are provided which provide high-temperature, translucent coatings useful for light-emitting devices such as incandescent bulbs. The coating powders comprise a binder, at least 90 wt % up to 100 wt % of which is a silicone resin. The coating powders are filled with between about 10 and about 50 phr of fillers selected from the group consisting of needle-like calcium metasilicate, mica, rod-like glass particles, and mixtures thereof, the fillers having aspect ratios between about 8 and about 40.Type: ApplicationFiled: March 16, 2001Publication date: September 6, 2001Inventors: Owen H. Decker, Charles P. Tarnoski, Lee F. Spencer, Roy M. Berstler, James G. Fotiou
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Patent number: 6248824Abstract: Coating powders are provided which provide high-temperature, translucent coatings useful for light-emitting devices such as incandescent bulbs. The coating powders comprise a binder, at least 90 wt % up to 100 wt % of which is a silicone resin. The coating powders are filled with between about 10 and about 50 phr of fillers selected from the group consisting of needle-like calcium metasilicate, mica, rod-like glass particles, and mixtures thereof, the fillers having aspect ratios between about 8 and about 40.Type: GrantFiled: April 9, 1999Date of Patent: June 19, 2001Assignee: Morton International, Inc.Inventors: Owen H. Decker, Charles P. Tarnoski, Lee F. Spenser, Roy M. Berstler, James G. Fotiou
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Patent number: 6133384Abstract: An epoxy coating powder composition and a method for controlling the denseness of cured wrinkle finish patterns are provided by the use of a curing agent mixture comprising a blocked Lewis acid, methylenedisalicylic acid and a ring-substituted homolog thereof having the formula ##STR1## wherein x and y are from 1 to 3, and R.sup.1 and R.sup.2 are, independently, hydrogen, alkyl groups having from 1 to 20 carbon atoms, aryl groups having from 6 to 10 carbon atoms, or aryl-substituted methylene groups; with the proviso that when x=y=3, R.sup.1 and R.sup.2 .noteq.hydrogen;wherein the ratio of methylene disalicylic acid and the ring-substituted homolog is from about 50:50 to about 2:98 by weight.Type: GrantFiled: February 22, 1999Date of Patent: October 17, 2000Assignee: Morton International Inc.Inventors: Owen H. Decker, Charles P. Tarnoski
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Patent number: 6034178Abstract: A coating powder for producing a high temperature resistant coating has a resin system which comprises (A) between about 50 and about 93 wt % based on total of (A) plus (B) of a silicone resin and (B) between about 7 and about 50 wt % based on total weight of (A) plus (B) of a polyhydroxyl component. The silicone resin (A) of the coating powder has organic substitutents selected from the group consisting of phenyl, methyl, C.sub.2 through C.sub.6 alkyl and mixtures thereof. The silicone resin has a viscosity of between about 500 and about 10,000 cps at 150.degree. C., a condensable hydroxyl content of between about 2 and about 4.5 wt %, and a glass transition temperature (T.sub.g) of about 55.degree. C. or above. The silicone resin preferably contains about 0.2% or less of organic solvents.Type: GrantFiled: September 30, 1998Date of Patent: March 7, 2000Assignee: Morton International, Inc.Inventors: Owen H. Decker, Charles P. Tarnoski
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Patent number: 6025030Abstract: Coating powder compositions comprise A) between about 60 and about 90 wt %, relative to total weight of A) plus B) plus C), of an acrylic polymer having a weight average molecular weight of between about 1000 and about 30,000, a carboxylic acid equivalent weight of from about 300 to about 1000 and a glass transition temperature of about 45.degree. C. or above and B) between about 5 and about 30 wt %, relative to total weight of A) plus B) plus C) of an adduct prepared from i) between about 20 and about 50 wt %, relative to total weight of i) plus ii), of a curing agent reactive with carboxylic acid groups and ii) between about 50 and about 80 wt %, relative to total weight of i) plus ii), of a polyester resin formed primarily from linear aliphatic diols and dicarboxylic acids, the polyester having functional groups reactive with said curing agent i), and C) between about 2 and about 30 wt % relative to the total weight of A) plus B) plus C) of a curing agent reactive with carboxylic acid groups.Type: GrantFiled: April 17, 1998Date of Patent: February 15, 2000Assignee: Morton International, Inc.Inventors: Owen H. Decker, Charles P. Tarnoski
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Patent number: 6022927Abstract: Coating powder compositions comprise A) between about 60 and about 90 wt %, relative to total weight of A) plus B) plus C), of an acrylic polymer having a weight average molecular weight of between about 1000 and about 30,000, a carboxylic acid equivalent weight of from about 300 to about 1000 and a glass transition temperature of about 45.degree. C. or above and B) between about 5 and about 30 wt %, relative to total weight of A) plus B) plus C) of an adduct prepared from i) between about 20 and about 50 wt %, relative to total weight of i) plus ii), of a curing agent reactive with carboxylic acid groups and ii) between about 50 and about 80 wt %, relative to total weight of i) plus ii), of a polyester resin formed primarily from linear aliphatic diols and dicarboxylic acids, the polyester having functional groups reactive with said curing agent i), and C) between about 2 and about 30 wt % relative to the total weight of A) plus B) plus C) of a curing agent reactive with carboxylic acid groups.Type: GrantFiled: December 15, 1997Date of Patent: February 8, 2000Assignee: Morton International, Inc.Inventors: Owen H. Decker, Charles P. Tarnoski
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Patent number: 5998560Abstract: A coating powder for providing a high temperature resistance coating has a silicone resin binder system which is either substantially all silicone resin or an --OH-- functional silicone resin adduct plus blocked, multi --NCO functional curative. The coating powder is pigmented with titanium dioxide which is either non-coated or coated with a sufficiently low level of an inorganic oxide such that when slurried in water, the pH is 7 or above. The coating powder preferably contains at least 40 phr mica and/or calcium metasilicate, preferably between 2 and about 20 phr aluminum. The coating powder may also contain zinc to protect the underlying substrate from corrosion and high-temperature pigments, particularly ceramic pigments.Type: GrantFiled: July 30, 1998Date of Patent: December 7, 1999Assignee: Morton International, Inc.Inventors: Owen H. Decker, Charles P. Tarnoski
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Patent number: 5962568Abstract: A silicone resin for forming a coating powder has organic substitutents selected from the group consisting of phenyl, methyl, C.sub.2 through C.sub.6 alkyl and mixtures thereof; a viscosity of between about 500 and about 10,000 cps at 150.degree. C.; a condensable hydroxyl content of between about 2.0 and about 4.5 wt %; a glass transition temperature of about 55.degree. C. or above; and about 0.2% or less of organic solvent.Type: GrantFiled: March 31, 1998Date of Patent: October 5, 1999Assignee: Morton International, Inc.Inventors: Owen H. Decker, Charles P. Tarnoski
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Patent number: 5932288Abstract: An epoxy coating powder composition and a method for controlling the denseness of cured wrinkle finish patterns are provided by the use of a curing agent mixture comprising a blocked Lewis acid, methylenedisalicylic acid and a ring-substituted homolog thereof having the formula ##STR1## wherein x and y are from 1 to 3, and R.sup.1 and R.sup.2 are, independently, hydrogen, alkyl groups having from 1 to 20 carbon atoms, aryl groups having from 6 to 10 carbon atoms, or aryl-substituted methylene groups; with the proviso that when x=y=3, R.sup.1 and R.sup.2 .noteq.hydrogen;wherein the ratio of methylene disalicylic acid and the ring-substituted homolog is from about 50:50 to about 2:98 by weight.Type: GrantFiled: December 18, 1997Date of Patent: August 3, 1999Assignee: Morton International, Inc.Inventors: Owen H. Decker, Charles P. Tarnoski
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Patent number: 5795927Abstract: Powdered coating compositions and methods for obtaining improved wrinkled finishes with epoxy powder coatings are provided which utilize a color stabilizer effective to avoid an excessive red color shift upon cure of the composition.Type: GrantFiled: January 3, 1997Date of Patent: August 18, 1998Assignee: Morton International, Inc.Inventors: Owen H. Decker, David A. Mountz, Charles P. Tarnoski
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Patent number: 5698292Abstract: The use of an amine salt of trifluoromethanesulfonic acid as a catalyst for the curing of hydroxyl-functional resins provides a wrinkle finish. The hydroxy-function may be present in polyesters, epoxies, and acrylate or methacrylate resins, among others. The polyester resins which are able to provide such a finish have a hot plate melt flow of at least about 50 mm but if it is more than 150 mm, the gel time of the resin must not be more than about 280 seconds. The minimum gel time in the case of polyesters is about 30 seconds.Type: GrantFiled: December 20, 1996Date of Patent: December 16, 1997Assignee: Morton International, Inc.Inventors: Douglas S. Richart, Charles P. Tarnoski
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Patent number: 5695852Abstract: The use of an amine salt of trifluoromethanesulfonic acid as a catalyst for the curing of hydroxyl-functional resins provides a wrinkle finish. The hydroxy-function may be present in polyesters, epoxies, and acrylate or methacrylate resins, among others. The polyester resins which are able to provide such a finish have a hot plate melt flow of at least about 50 mm but if it is more than 150 mm, the gel time of the resin must not be more than about 280 seconds. The minimum gel time in the case of polyesters is about 30 seconds.Type: GrantFiled: December 20, 1996Date of Patent: December 9, 1997Assignee: Morton International, Inc.Inventors: Douglas S. Richart, Charles P. Tarnoski
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Patent number: 5543464Abstract: Coating powder compositions are formulated with epoxy-functional acrylic resins, and as curatives 5 to 50 phr poly-carboxylic functional polyesters and 5 to 40 phr poly-carboxylic functional crystalline curatives.Type: GrantFiled: December 8, 1995Date of Patent: August 6, 1996Assignee: Morton International, Inc.Inventors: Owen H. Decker, Charles P. Tarnoski