Inventor
DOLLING ULF H
US27 patents
⚠️ This page may combine multiple inventors who share the name “DOLLING ULF H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MERCK & CO INC
24 patentsUS6180783B1Jan 30, 2001
Stabilized carbapenem intermediates and improved process for carbapenem synthesis
MERCK & CO INC21 citations92
US5840924ANov 24, 1998
Process of preparing phenyl heterocycles useful as COX-2 inhibitors
MERCK & CO INC29 citations92
US5116983AMay 26, 1992
Dehydrogenation process intermediates
MERCK & CO INC36 citations90
US5084574AJan 28, 1992
Dehydrogenation process
MERCK & CO INC35 citations90
US5338875AAug 16, 1994
Boron containing intermediates useful in the preparation of carbapenems
MERCK & CO INC19 citations79
US5061801AOct 29, 1991
Intermediate for making 3-oxo-4-aza-androst-1-ene 17β-ketones
MERCK & CO INC13 citations74
US5468860ANov 21, 1995
New finasteride processes
MERCK & CO INC6 citations73
US5237061AAug 17, 1993
Methods of synthesizing benign prostatic hypertropic agents and their intermediates
MERCK & CO INC11 citations73
US6063931AMay 16, 2000
Process for synthesizing carbapenem side chain intermediates
MERCK & CO INC14 citations71
US6060607AMay 9, 2000
Process for synthesizing carbapenem side chain intermediates
MERCK & CO INC13 citations71
US4605761AAug 12, 1986
Process using achiral co-catalyst promoter for chiral phase transfer alkylation process for an enantiomer of a substituted fluorenyloxyacetic acid
MERCK & CO INC3 citations63
US4237315ADec 2, 1980
Preparation of 5(halophenyl)salicylic acid compounds
MERCK & CO INC2 citations63
US5849914ADec 15, 1998
Compounds formed by an asymmetric conjugate addition reaction
MERCK & CO INC6 citations62
US5786515AJul 28, 1998
Synthesis of α-chloro or fluoro ketones
MERCK & CO INC2 citations62
US5093498AMar 3, 1992
Trifluoromethylbenzyl containing quaternary salts
MERCK & CO INC4 citations62
US4578509AMar 25, 1986
Process for preparing a manipulated enantiomer mixture by asymmetric chiral phase transfer catalysis
MERCK & CO INC4 citations62
US4149012AApr 10, 1979
Synthesis of racemic 3-fluoro-alanine and its salts
MERCK & CO INC2 citations61
US3972921AAug 3, 1976
Synthesis of racemic 2-deutero-3-fluoro-alanine and its salts
MERCK & CO INC5 citations61
US7598264B2Oct 6, 2009
HIV integrase inhibitors
MERCK & CO INC7 citations59
US5786472AJul 28, 1998
Process for making dihydropyrimidinones
MERCK & CO INC4 citations58
US4355174AOct 19, 1982
Preparation of 5(halophenyl)salicylic acid compounds
MERCK & CO INC1 citations52
US5962688AOct 5, 1999
Stereoselective deoxygenation reaction
MERCK & CO INC1 citations51
US7411088B2Aug 12, 2008
Stereoselective synthesis of a 4,4-disubstituted cyclohexanepropanoic acid
MERCK & CO INC1 citations42
US6172235B1Jan 9, 2001
Asymmetric conjugate addition reaction
MERCK & CO INC0 citations41