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Juergen Peter Stropp, Martin Wulf, Helmut Loeffler, Dmitry Chernyshov: Process for vehicle repair coating. EI du Pont de Nemours & Company, Sudhir G Deshmukh, February 17, 2009: US07491419 (2 worldwide citation)

A process for repairing a vehicle coating, comprising the following steps: I) applying a UV radiation coating composition onto a coated vehicle or vehicle part, having a blemished area on the coated surface to be repaired, wherein the coating composition comprises A) at least one free-radically poly ...


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Helmut Loeffler, Nadja Doerigmann, Juergen Peter Stropp: Process for production of multilayer coating including curing clear-coat composition with high-energy radiation. E I du Pont de Nemours and Company, Sudhir G Deshrmukh, March 31, 2009: US07510746 (1 worldwide citation)

The invention is directed to a process for the production of a multi-layer coating comprising the following steps: A) applying a base coat layer of a pigmented color-imparting and/or special effect-imparting base coat composition onto a substrate precoated with at least one coating layer, B) applyin ...


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Helmut Loeffler: Process for multilayer coating. AXALTA COATING SYSTEMS IP CO, Ingrassia Fisher & Lorenz P C, November 17, 2015: US09186701

This invention relates to a process for multilayer coating of substrates, comprising the steps: I) applying a layer of a water-based color-imparting and/or special effect-imparting base coat coating composition to a substrate, II) applying a layer of a clear coat coating composition curable by means ...


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Morenike Awokola, Carmen Flosbach, Helmut Loeffler, Volker Paschmann: Radiation-curable coating compounds. EI du Pont de Nemours & Company, E I Du Pont de Nemours And Company, Legal Patent Records Center, November 13, 2003: US20030212163-A1

Coating compounds curable by means of high-energy radiation, comprising as binder A) at least one (meth)acrylic copolymer containing olefinic double bonds capable of free-radical polymerization and hydroxyl groups with a CC equivalent weight from 100 to 10,000 and an OH-value from 20 to 250 mg KOH/g ...


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Morenike Awokola, Carmen Flosbach, Helmut Loeffler, Volker Paschmann: Radiation-curable coating compounds. E I Du Pont de Nemours And Company, Legal Patent Records Center, October 3, 2002: US20020143078-A1

Coating compounds curable by means of high-energy radiation, comprising as binder A) at least one (meth)acrylic copolymer containing olefinic double bonds capable of free-radical polymerization and hydroxyl groups with a CC equivalent weight from 100 to 10,000 and an OH-value from 20 to 250 mg KOH/g ...


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Helmut Loeffler, Nadja Doerigmann, Juergen Peter Stropp: Process for the production of a multilayer coating. E I Du Pont de Nemours And Company, Legal Patent Records Center, December 8, 2005: US20050271824-A1

The invention is directed to a process for the production of a multi-layer coating comprising the following steps: A) applying a base coat layer of a pigmented colour-imparting and/or special effect-imparting base coat composition onto a substrate precoated with at least one coating layer, B) applyi ...


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Juergen Peter Stropp, Martin Wulf, Helmut Loeffler, Dmitry Chernyshov: Process for vehicle repair coating. E I Du Pont de Nemours And Company, Legal Patent Records Center, July 27, 2006: US20060165882-A1

Process for Vehicle Repair Coating A process for repairing a vehicle coating, comprising the following steps: I) applying a UV radiation coating composition onto a coated vehicle or vehicle part, having a blemished area on the coated surface to be repaired, wherein the coating composition comprises ...


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Helmut Loeffler, Carmen Flosbach: Uv curable putty compositions. Ei Du Pont de Nemours And Company, August 25, 2011: US20110206858-A1

The invention is directed to putty compositions curable by means of high energy radiation, comprising A) at least one compound capable of free-radical polymerization having at least one olefinic unsaturated group and B) at least one filler, the at least one filler or a mixture of fillers having a pa ...