Inventor · Ludwigshafen, DE

Bernd Bruchmann

153Patents
20h-index
262Co-inventors
93Inventor score

Filing activity: Mar 18, 1988 → Apr 23, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6617413B1 Coating agents which can be hardened by the addition of isocyanate groups as well as by the radiation-induced addition of activated c-c double covalent bonds Emerging Cross-Sectional Technologies 77 Expired
US6258924A Biodegradable polymers, the preparation thereof, and the use thereof for producing biodegradable moldings Emerging Cross-Sectional Technologies 70 Expired
US6018004A Biodegradable polymers, preparation thereof and use thereof for producing biodegradable moldings Emerging Cross-Sectional Technologies 57 Expired
US7858732B2 Highly functional, highly branched or hyperbranched polyesters, the production thereof and the use of the same Emerging Cross-Sectional Technologies 51 Active
US6120895A Biodegradable polyesters Emerging Cross-Sectional Technologies 47 Expired
US6201034A Biodegradable polymers, the production thereof and the use thereof for producing biodegradable moldings Emerging Cross-Sectional Technologies 47 Expired
US5917059A Preparation of cyclic acetals or ketals Chemistry; Metallurgy 42 Expired
US6780897B1 Solid substance mixture containing bonds that can be activated by actinic radiation and the use thereof Emerging Cross-Sectional Technologies 34 Expired
US6303677A Biodegradable polymers, preparation thereof and use thereof for producing biodegradable moldings Emerging Cross-Sectional Technologies 33 Expired
US7081509B2 Method for producing highly functional, hyper branched polyester by means of enzymatic esterification Emerging Cross-Sectional Technologies 30 Expired
US6632914B2 Polyfunctional polyisocyanate polyadducts Chemistry; Metallurgy 29 Expired
US6114042A Biodegradable polymers, the production thereof and use thereof for producing biodegradable moldings Emerging Cross-Sectional Technologies 29 Expired
US6747088B1 Aqueous polyurethane dispersions which can be hardened with mit UV-radiation and thermally, and use thereof Emerging Cross-Sectional Technologies 28 Expired
US5489663A Preparation of polyisocyanates containing isocyanurate groups and use thereof Chemistry; Metallurgy 26 Expired
US6297347A Biodegradable polymers, the production thereof and the use thereof for producing biodegradable moldings Emerging Cross-Sectional Technologies 25 Expired
US5981684A Highly functionalized polyurethanes Chemistry; Metallurgy 25 Expired
US7151153B2 Use of hyperbranched polyurethanes for producing printing inks Chemistry; Metallurgy 23 Expired
US5329003A Process for the preparation of uretdione group containing polyisocyanates Chemistry; Metallurgy 23 Expired
US6414108B1 Biodegradable polymers, the production thereof and the use thereof for producing biodegradable moldings Emerging Cross-Sectional Technologies 22 Expired
US6376637B1 Dendritic and highly branched polyurethanes Chemistry; Metallurgy 21 Expired
US8436072B2 Mixtures comprising branched oligomeric or polymeric compounds, and preparation and use thereof Chemistry; Metallurgy 20 Active
US5208368A Preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates of reduced iodine color number Chemistry; Metallurgy 20 Expired
US5498747A Carbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis (1-methyl-1-isocyanatoethyl)benzene, their preparation, and their use as hydrolysis stabilizers Chemistry; Metallurgy 19 Expired
US5504241A Carbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis(1-methyl-1-isocyanatoethyl)benzene, their preparation, and their use as hydrolysis stabilizers Chemistry; Metallurgy 17 Expired
US5597942A Carbodiimides and/or oligomeric polycarbodiimides based on 1 3-bis (1-methyl-1-isocyanatoethyl) benzene their use as hydrolysis stabilizers Chemistry; Metallurgy 17 Expired

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