Friedrich Pieper

Person

Langenfeld, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Surface-active sulfophosphoric-acid-(partial)-alkyl-esters
- Patent number 5,041,597
- Issue date Aug 20, 1991
- Henkel Kommanditgesellschaft auf Aktien
- Bernd Fabry
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Surface-active, saturated sulfophosphoric acid-(partial)-alkyl esters
- Patent number 4,956,116
- Issue date Sep 11, 1990
- Henkel Kommanditgesellschaft auf Aktien
- Bernd Fabry
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulfited fats as oiling agents for leather and skins
- Patent number 4,903,362
- Issue date Feb 27, 1990
- Henkel Kommanditgesellschaft auf Aktien
- Hans-Herbert Friese
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulfited fats
- Patent number 4,800,045
- Issue date Jan 24, 1989
- Henkel Kommanditgesellschaft auf Aktien
- Hans-Herbert Friese
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of sulfonated lubricating agents for leather and furs
- Patent number 4,765,875
- Issue date Aug 23, 1988
- Henkel Kommanditgesellschaft auf Aktien
- Wolf-Dieter Willmund
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Leather fatliquoring agents combinable with tanning and retanning c...
- Patent number 4,744,794
- Issue date May 17, 1988
- Henkel Kommanditgesellschaft auf Aktien
- Hans-Herbert Friese
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Sulfonation of fats and oils
- Patent number 4,741,738
- Issue date May 3, 1988
- Henkel Kommanditgesellschaft auf Aktien
- Hans-Herbert Friese
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulfonated lubricating agents for leather and furs process therefore
- Patent number 4,654,042
- Issue date Mar 31, 1987
- Henkel Kommanditgesellschaft auf Aktien
- Wolf-Dieter Willmund
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of lubricating agents for leathers and furs
- Patent number 4,451,261
- Issue date May 29, 1984
- Henkel KGaA
- Wolf-Dieter Willmund
- C07 - ORGANIC CHEMISTRY

Friedrich Pieper

Person

Patents Grantslast 30 patents

Surface-active sulfophosphoric-acid-(partial)-alkyl-esters

Surface-active, saturated sulfophosphoric acid-(partial)-alkyl esters

Sulfited fats as oiling agents for leather and skins

Sulfited fats

Preparation of sulfonated lubricating agents for leather and furs

Leather fatliquoring agents combinable with tanning and retanning c...

Sulfonation of fats and oils

Sulfonated lubricating agents for leather and furs process therefore

Preparation of lubricating agents for leathers and furs