P

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 patents
US6344449B1Feb 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 patents
US6154481ANov 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 patents

CELAMERCK GMBH & CO KG

2 patents

SORG NIKOLAUS GMBH & CO KG

2 patents

KARL THOMAS GMBH

1 patent

BETEILIGUNGEN SORG GMBH & CO A

1 patent

Showing the top 50 of 84 patents by PatentIndex Score.