Dietrich Lach

Person

Friedelsheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Pigment preparations
- Patent number 5,296,531
- Issue date Mar 22, 1994
- BASF Aktiengesellschaft
- Horst Belde
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Condensates of bis-(4-hydroxyphenyl) sulfone as tanning assistants,...
- Patent number 4,936,864
- Issue date Jun 26, 1990
- BASF Aktiengesellschaft
- Rolf Fikentscher
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Finishing of leather
- Patent number 4,908,239
- Issue date Mar 13, 1990
- BASF Aktiengesellschaft
- Dietrich Lach
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Tanning assistant
- Patent number 4,888,412
- Issue date Dec 19, 1989
- BASF Aktiengesellschaft
- Klaus Ebel
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Deliming of hides and use of cyclic esters of sulfurous acid as del...
- Patent number 4,729,768
- Issue date Mar 8, 1988
- BASF Aktiengesellschaft
- Kurt Schneider
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Amphoteric condensates and their use in retanning
- Patent number 4,675,021
- Issue date Jun 23, 1987
- BASF Aktiengesellschaft
- Dietrich Lach
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Basic chromium aluminum sulfates and their preparation
- Patent number 4,629,616
- Issue date Dec 16, 1986
- BASF Aktiengesellschaft
- Werner Ostertag
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Carboxyl- and amino-containing copolymer for after-tanning mineral...
- Patent number 4,596,581
- Issue date Jun 24, 1986
- BASF Aktiengesellschaft
- Lothar Hohr
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Metal complexes of dis- or trisazo compounds containing a middle co...
- Patent number 4,563,520
- Issue date Jan 7, 1986
- BASF Aktiengesellschaft
- Udo Bergmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dis-, tris-, and tetrakisazo compounds containing resorcinol, sulfo...
- Patent number 4,491,543
- Issue date Jan 1, 1985
- BASF Aktiengesellschaft
- Udo Bergmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Complex dye mixture containing at least two cobalt 1:2 complexes of...
- Patent number 4,474,695
- Issue date Oct 2, 1984
- BASF Aktiengesellschaft
- Klaus Grychtol
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Preparation of water-soluble or self-dispersing resin tanning agents
- Patent number 4,403,993
- Issue date Sep 13, 1983
- BASF Aktiengesellschaft
- Dietrich Lach
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Tanning agent, its preparation and its use for retanning
- Patent number 4,390,340
- Issue date Jun 28, 1983
- BASF Aktiengesellschaft
- Dietrich Lach
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Deliming hides
- Patent number 4,377,387
- Issue date Mar 22, 1983
- BASF Aktiengesellschaft
- Erwin Hahn
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Auxiliary, and process, for the soaking of hides
- Patent number 4,322,210
- Issue date Mar 30, 1982
- BASF Aktiengesellschaft
- Erwin Hahn
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Dyeing of grain leather
- Patent number 4,272,243
- Issue date Jun 9, 1981
- BASF Aktiengesellschaft
- Dietrich Lach
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Deliming of hides
- Patent number 4,213,760
- Issue date Jul 22, 1980
- BASF Aktiengesellschaft
- Erwin Hahn
- C14 - SKINS HIDES PELTS LEATHER

Dietrich Lach

Person

Patents Grantslast 30 patents

Pigment preparations

Condensates of bis-(4-hydroxyphenyl) sulfone as tanning assistants,...

Finishing of leather

Tanning assistant

Deliming of hides and use of cyclic esters of sulfurous acid as del...

Amphoteric condensates and their use in retanning

Basic chromium aluminum sulfates and their preparation

Carboxyl- and amino-containing copolymer for after-tanning mineral...

Metal complexes of dis- or trisazo compounds containing a middle co...

Dis-, tris-, and tetrakisazo compounds containing resorcinol, sulfo...

Complex dye mixture containing at least two cobalt 1:2 complexes of...

Preparation of water-soluble or self-dispersing resin tanning agents

Tanning agent, its preparation and its use for retanning

Deliming hides

Auxiliary, and process, for the soaking of hides

Dyeing of grain leather

Deliming of hides