Inventor · Bad Reichenhall, DE

Paul Naab

25Patents
10h-index
86Co-inventors
78Inventor score

Filing activity: Sep 7, 1982 → Apr 13, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US6864287B1 Derivatives of dicarboxylic acid having pharmaceutical properties Chemistry; Metallurgy 57 Expired
US7674825B2 Dicarboxylic acid derivatives with pharmaceutical properties Chemistry; Metallurgy 49 Active
US7087644B1 Derivatives of dicarboxylic acid having pharmaceutical properties Chemistry; Metallurgy 35 Expired
US7781470B2 Aminodicarboxylic acid derivatives having pharmaceutical properties Chemistry; Metallurgy 25 Active
US6069148A Cycloalkano-pyridines Chemistry; Metallurgy 25 Expired
US6207671A Cycloalkano-pyridines Chemistry; Metallurgy 20 Expired
US5132419A Process for the preparation of 7-amino-3-((Z)-1-propen-1yl)-3-cephem-4-carboxylic acid Chemistry; Metallurgy 14 Expired
US5952498A Process for the preparation of enantiomerically pure cycloalkano-indol -and azaindol -and pyrimido 1,2a! indolcarboxcyclic acids and their activated derivatives Chemistry; Metallurgy 13 Expired
US5639886A One-pot process for the preparation of 3-quinolonecarboxylic acid derivatives Chemistry; Metallurgy 12 Expired
US6936609B2 Imidazotriazines for use as phosphodiesterase inhibitors Human Necessities 10 Expired
US4973590A Process for the preparation of quinolonecarboxylic acids which can be administered parenterally Human Necessities 9 Expired
US6774236B1 Process for the preparation of enantiomerically pure cycloalkano-indol -and azaindol -and pyrimido [1,2A]indolcarbocyclic acids and their activated derivatives Chemistry; Metallurgy 8 Expired
US4600778A Process for the preparation of 1,4-dihydropyridinedicarboxylic esters Chemistry; Metallurgy 7 Expired
US6586613B1 Substituted tetrahydronaphthaline and analogous compounds Chemistry; Metallurgy 6 Expired
US7517896B2 Aminodicarboxylic acid derivatives having pharmaceutical properties Chemistry; Metallurgy 6 Expired
US6930114B2 Pyrrolo (2.1a)dihydroisoquinolines and their use as phosphodiesterase 10a inhibitors Human Necessities 5 Expired
US4438114A .beta.-Lactam antibiotics Emerging Cross-Sectional Technologies 4 Expired
US4782162A Novel intermediates for the synthesis of cephalosporins Chemistry; Metallurgy 3 Expired
US7320977B2 Substituted 2-phenyl-3(2h)-pyridazinones Chemistry; Metallurgy 3 Expired
US4515789A .beta.-Lactam antibiotics Chemistry; Metallurgy 2 Expired
US5684158A 3-amino!-tetrahydrocarbazole-propanoic acid esters Chemistry; Metallurgy 1 Expired
US6756409B2 Phenoxyphenyl alkanesulphonates Chemistry; Metallurgy 0 Expired
US6919470B2 Aryl and heteroaryl sulfonates Chemistry; Metallurgy 0 Expired
US4904789A Process for the preparation of unsymmetrical dihydropyridines Chemistry; Metallurgy 0 Expired
US7329779B2 Process for preparing optionally substituted arylsulphonic anhydrides Chemistry; Metallurgy 0 Expired

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