Inventor
PIEPER HELMUT
DE84 patents
⚠️ This page may combine multiple inventors who share the name “PIEPER HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
THOMAE GMBH DR K
26 patentsUS6344449B1Feb 5, 2002
Modified aminoacids, pharmaceuticals containing these compounds and method for their production
THOMAE GMBH DR K158 citations99
US5817677AOct 6, 1998
5-membered heterocycles, medicaments containing these compounds, their use and processes for their preparation
THOMAE GMBH DR K202 citations99
US5541343AJul 30, 1996
Cyclic imino derivatives and pharmaceutical compositions containing them
THOMAE GMBH DR K111 citations98
US5463071AOct 31, 1995
5-membered heterocyclic compounds, processes for preparing them and pharmaceutical compositions containing these compounds
THOMAE GMBH DR K128 citations98
US5442064AAug 15, 1995
Carboxylic acid derivatives, pharmaceutical compositions containing these compounds and processes for preparing them
THOMAE GMBH DR K131 citations98
US5418233AMay 23, 1995
Heterobiarly derivatives and pharmaceutical compositions thereof
THOMAE GMBH DR K49 citations96
US5276049AJan 4, 1994
Cyclic urea derivatives, pharmaceutical compositions containing these compounds and methods of using the same
THOMAE GMBH DR K66 citations96
US5519036AMay 21, 1996
Cyclic derivatives pharmaceutical compositions containing these compounds and processes for preparing them
THOMAE GMBH DR K69 citations94
US5434150AJul 18, 1995
Condensed 5-membered heterocyclic compounds, processes for preparing them and pharmaceutical preparations containing these compounds
THOMAE GMBH DR K101 citations94
US5852192ADec 22, 1998
Cyclic urea derivatives, pharmaceutical compositions containing these compounds and processes for preparing them
THOMAE GMBH DR K27 citations93
US5597825AJan 28, 1997
Biphenyl derivatives, pharmaceutical compositions containing these compounds and processes for preparing them
THOMAE GMBH DR K23 citations93
US5455348AOct 3, 1995
2-pyrrolidinones, pharmaceutical compositions containing these compounds and processes for preparing them
THOMAE GMBH DR K41 citations93
US5994356ANov 30, 1999
Carboxylic acid derivatives, medicaments comprising these compounds, their use and processes for their production
THOMAE GMBH DR K43 citations92
US5922717AJul 13, 1999
Piperazine derivatives, medicaments comprising these compounds, their use and processes for their preparation
THOMAE GMBH DR K26 citations92
US5880284AMar 9, 1999
Cyclic urea derivatives, pharmaceutical compositions containing these compounds and processes for preparing them
THOMAE GMBH DR K18 citations92
US5700801ADec 23, 1997
Piperazine derivatives, pharmaceutical compositions containing these compounds, their use and processes for preparing them
THOMAE GMBH DR K30 citations92
US5681841AOct 28, 1997
Cyclic urea derivatives, pharmaceutical compositions containing these compounds and processes for preparing them
THOMAE GMBH DR K30 citations92
US5607944AMar 4, 1997
Bicyclic heterocyclic compounds, pharmaceutical preparations containing these compounds and processes for their preparations
THOMAE GMBH DR K26 citations92
US5591769AJan 7, 1997
Cyclic imino derivatives and pharmaceutical compositions containing them
THOMAE GMBH DR K30 citations92
US4490369ADec 25, 1984
Benzazepine derivatives, their pharmaceutical compositions and method of use
THOMAE GMBH DR K34 citations92
US5736559AApr 7, 1998
Biphenyl derivatives, pharmaceutical compositions containing these compounds and processes for preparing them
THOMAE GMBH DR K14 citations82
US5478942ADec 26, 1995
Cyclic urea derivatives and pharmaceutical compositions containing these compounds
THOMAE GMBH DR K17 citations82
US4829058AMay 9, 1989
Substituted bis-(4-aminophenyl)-sulfones
THOMAE GMBH DR K17 citations81
US5922763AJul 13, 1999
Biphenyl derivatives, pharmaceutical compositions containing these compounds and processes for preparing them
THOMAE GMBH DR K11 citations74
US5650424AJul 22, 1997
Cyclic urea derivatives, pharmaceutical compositions containing these compounds and processes for preparing them
THOMAE GMBH DR K7 citations74
US5563268AOct 8, 1996
Heterobiaryl derivatives
THOMAE GMBH DR K14 citations74
SORG GMBH & CO KG
14 patentsUS6154481ANov 28, 2000
Method of operation of a glass melting furnace and a glass melting furnace for the practice of the method
SORG GMBH & CO KG81 citations96
US4932035AJun 5, 1990
Discontinuous glass melting furnace
SORG GMBH & CO KG58 citations96
US4882736ANov 21, 1989
Method for efficiently using flue gas energy in a glass furnace
SORG GMBH & CO KG96 citations96
US6085551AJul 11, 2000
Method and apparatus for manufacturing high melting point glasses with volatile components
SORG GMBH & CO KG82 citations92
US5237940AAug 24, 1993
Method and apparatus for the environmentally compatible vitrification of fluid or solid residues from special-class waste incinerators
SORG GMBH & CO KG21 citations90
US5032161AJul 16, 1991
Apparatus for melting asbestos-containing waste material in glass
SORG GMBH & CO KG25 citations90
US5755846AMay 26, 1998
Regenerative glass melting furnace with minimum NOx formation and method of operating it
SORG GMBH & CO KG33 citations89
US4944785AJul 31, 1990
Process using melt accelerator for the conversion of solid waste substances into glass
SORG GMBH & CO KG42 citations89
US6289694B1Sep 18, 2001
Method and apparatus for melting glass in U-flame and cross-fired tank furnaces with a reduction of the Nox and Co content of the waste gases
SORG GMBH & CO KG19 citations84
US5035735AJul 30, 1991
Process for vitrifying environmentally hazardous waste material in a glass melting furnace
SORG GMBH & CO KG20 citations81
US5600669AFeb 4, 1997
Electrode assembly for glass tank furnaces
SORG GMBH & CO KG9 citations74
US5110329AMay 5, 1992
Filtering device for dust and exhaust gases of glass melting furnaces containing sulfurous compounds
SORG GMBH & CO KG17 citations74
US4852118AJul 25, 1989
Energy saving method of melting glass
SORG GMBH & CO KG18 citations74
US4789990ADec 6, 1988
Glass melting furnace of improved efficiency
SORG GMBH & CO KG15 citations74
BOEHRINGER SOHN INGELHEIM
4 patentsUS4119710AOct 10, 1978
Bronchospasmolytic 1-(p-amino-phenyl)-2-amino-ethanols-(1) and salts
BOEHRINGER SOHN INGELHEIM47 citations92
US4214001AJul 22, 1980
1-(4-Acylamino-phenyl)-2-amino-ethanols and salts thereof
BOEHRINGER SOHN INGELHEIM51 citations90
US4093734AJun 6, 1978
Amino-benzoic acid amides
BOEHRINGER SOHN INGELHEIM33 citations89
US3950393AApr 13, 1976
Aminobenzyl-amides and salts thereof
BOEHRINGER SOHN INGELHEIM28 citations81
CELAMERCK GMBH & CO KG
2 patentsSORG NIKOLAUS GMBH & CO KG
2 patentsKARL THOMAS GMBH
1 patentBETEILIGUNGEN SORG GMBH & CO A
1 patentShowing the top 50 of 84 patents by PatentIndex Score.