Inventor · Cologne, DE

Arnold Dobbelstein

28Patents
12h-index
34Co-inventors
81Inventor score

Filing activity: Oct 9, 1973 → Nov 6, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US5601880A Process for the production of a multicoat finish and aqueous basecoat suitable for this process Chemistry; Metallurgy 41 Expired
US5370910A Process for the production of multicoat protective and/or decorative coatings on substrate surfaces Chemistry; Metallurgy 39 Expired
US5075372A Dispersions of crosslinked polymer micro-particles in aqueous media, a process for the preparation of these dispersions, and coating compositions containing these dispersions Chemistry; Metallurgy 36 Expired
US4945128A Dispersions of crosslinked polymer micro-particles in aqueous media, a process for the preparation of these dispersions, and coating compositions containing these dispersions Chemistry; Metallurgy 35 Expired
US4824927A Products of diepoxide polyaddition with monofunctional initiators, which contain pendant epoxy groups in the backbone of the polymer Chemistry; Metallurgy 32 Expired
US4315053A Base coats covered by a clear lacquer coating and process for coating Emerging Cross-Sectional Technologies 27 Expired
US5512322A Process for the production of multicoat protective and/or decorative coatings on substrate surfaces Chemistry; Metallurgy 22 Expired
US4554212A Binders for cathodically depositable coating compositions, a process for their preparation and their use Emerging Cross-Sectional Technologies 21 Expired
US5256453A Process for the production of a multi-layer paint coating and base paint for the base coat of a multi-layer paint coating Chemistry; Metallurgy 21 Expired
US5760128A Process for the production of a multi-layer finish and a water-borne coating Chemistry; Metallurgy 20 Expired
US4780524A Water-dilutable binders for cationic electrocoating finishes and a process for the preparation thereof Emerging Cross-Sectional Technologies 20 Expired
US4661541A Alcohol-modified polyepoxides, their preparation and their use in curable mixtures Chemistry; Metallurgy 12 Expired
US4599371A Preparation of self-crosslinking synthetic resins Chemistry; Metallurgy 12 Expired
US4781808A Aqueous cathodic electrocoating material and a process for coating an electrically conductive substrate Chemistry; Metallurgy 12 Expired
US5635564A Preparation of a multicoat coating, water-thinnable coating compositions, water-thinnable emulsion polymers and preparation of water-thinnable emulsion polymers Emerging Cross-Sectional Technologies 11 Expired
US4830722A Water-dilutable binders for cationic electrocoating finishes and a process for the preparation thereof Emerging Cross-Sectional Technologies 11 Expired
US5502101A Process for the production of a multicoat finish and aqueous basecoats suitable for this process Chemistry; Metallurgy 10 Expired
US5003025A Process for the preparation of water dilutable binders for cationic electrocoating finishes using monofunctionally modified polyepoxides Chemistry; Metallurgy 10 Expired
US4566963A Water-dispersible binders based on modified epoxide/amine adducts, and their preparation and use Electricity 9 Expired
US4818356A Process for multicoat cathodic wet-on-wet painting of metallic conductive substrates Emerging Cross-Sectional Technologies 9 Expired
US3948739A Coating compositions hardenable by ionization beams Chemistry; Metallurgy 9 Expired
US4684676A Binders for cathodically depositable coating compositions, a process for their preparation, and their use Emerging Cross-Sectional Technologies 8 Expired
US5169922A Coating compositions and process for the preparation of a multicoat protective and/or decorative coating on a substrate surface Chemistry; Metallurgy 6 Expired
US4707232A Alcohol-modified polyepoxides, their preparation and their use in curable mixtures Chemistry; Metallurgy 5 Expired
US5066759A Process for the preparation of macromonomers and macromonomers prepared by this process Chemistry; Metallurgy 3 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.