Inventor · Bad Dürkheim, DE

Rainer Becker

110Patents
15h-index
158Co-inventors
89Inventor score

Filing activity: Mar 4, 1980 → Feb 26, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5455352A Preparation of N-(2-hydroxyethyl)-piperazine Emerging Cross-Sectional Technologies 84 Expired
US5530127A Preparation of amines Emerging Cross-Sectional Technologies 83 Expired
US5489663A Preparation of polyisocyanates containing isocyanurate groups and use thereof Chemistry; Metallurgy 26 Expired
US6028204A Process for preparing phthalides Chemistry; Metallurgy 24 Expired
US6020501A Process for preparing phthalides Chemistry; Metallurgy 24 Expired
US4761172A Herbicidal cyclohexanol derivatives, compositions, and method of use therefor Chemistry; Metallurgy 23 Expired
US4422864A Cyclohexanedione derivatives, their preparation and herbicides containing them Chemistry; Metallurgy 22 Expired
US5320833A Arylpolyenecarboxylic acids and their derivatives as sunscreen agents in cosmetic preparations Chemistry; Metallurgy 19 Expired
US4298749A Pyrazole ether derivatives Chemistry; Metallurgy 18 Expired
US5608113A Process for preparation of diamines by catalytic amination of aminoalcohols Emerging Cross-Sectional Technologies 18 Expired
US5773648A Preparation of polytetrahydrofuran Chemistry; Metallurgy 17 Expired
US4500340A Urea derivatives and their use for controlling undesirable plant growth Chemistry; Metallurgy 16 Expired
US6262317A Process for preparing 1,4-butanediol by catalytic hydrogenation of 1,4-butinediol Performing Operations; Transporting 16 Expired
US5660601A Polyetheramine-containing fuels for gasoline engines Chemistry; Metallurgy 16 Expired
US4624696A Cyclohexenone derivatives and their use for controlling undesirable plant growth Chemistry; Metallurgy 15 Expired
US5847131A Preparation of N-substituted cyclic amines Performing Operations; Transporting 14 Expired
US6455711B1 Method for producing polytetrahydrofuran Chemistry; Metallurgy 13 Expired
US4517013A Cyclohexane-1,3-dione derivatives and their use for controlling undesirable plant growth Human Necessities 12 Expired
US4880456A Cyclohexenone derivatives, their preparation and their use for controlling undesirable plant growth Chemistry; Metallurgy 11 Expired
US4316040A 4-Methoxycarbonyl-pyrazole ether derivatives Chemistry; Metallurgy 10 Expired
US5641857A Preparation of polytetrahydrofuran Chemistry; Metallurgy 9 Expired
US5894074A Preparation of tertiary amines from nitriles and secondary amines Chemistry; Metallurgy 9 Expired
US4596877A Herbicidal cyclohexanone substituted tetrahydro-thiopyran derivatives, compositions, and method of use therefor Chemistry; Metallurgy 8 Expired
US4654073A Cyclohexane-1,3-dione derivatives and their use for controlling undesirable plant growth Chemistry; Metallurgy 7 Expired
US4837346A Preparation of esters of tetrahydropyran-4-carboxylic acid Chemistry; Metallurgy 7 Expired

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