Ortwin Schaffer

Person

Ludwigshafen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Reactive azo dyes with a coupler of the aminonaphthalene series
- Patent number 5,789,557
- Issue date Aug 4, 1998
- BASF Aktiengesellschaft
- Jurgen Dornhagen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Amino benzophenone dye
- Patent number 5,510,468
- Issue date Apr 23, 1996
- BASF Aktiengesellschaft
- Gunther Lamm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridone compounds and the preparation of disulfonated pyridone com...
- Patent number 5,380,859
- Issue date Jan 10, 1995
- BASF Aktiengesellschaft
- Gunther Lamm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Self-tanning, pretanning and assist tanning of pelts and skin pelts...
- Patent number 5,372,609
- Issue date Dec 13, 1994
- BASF Aktiengesellschaft
- Juergen Weiser
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Condensation polymers of sulfonated phenols, urea, other organic ni...
- Patent number 5,342,916
- Issue date Aug 30, 1994
- BASF Aktiengesellschaft
- Juergen Weiser
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Fluent polyazo dye preparations and method of dying leather or wool...
- Patent number 5,320,647
- Issue date Jun 14, 1994
- BASF Aktiengesellschaft
- Georg Henning
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Use of copolymers based on long-chain alkyl vinyl ethers and ethyle...
- Patent number 5,286,263
- Issue date Feb 15, 1994
- BASF Aktiengesellschaft
- Ortwin Schaffer
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Copolymers based on long-chain olefins and ethylenically unsaturate...
- Patent number 5,279,613
- Issue date Jan 18, 1994
- BASF Aktiengesellschaft
- Ortwin Schaffer
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Quaternized condensation products for aftertreating dyed leather
- Patent number 5,224,963
- Issue date Jul 6, 1993
- BASF Aktiengesellschaft
- Johannes P. Dix
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Products of the condensation of phenolmonosulfonic acids, dihydroxy...
- Patent number 5,155,164
- Issue date Oct 13, 1992
- BASF Aktiengesellschaft
- Hermann Graf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolymers based on long-chain unsaturated esters and ethylenically...
- Patent number 5,124,181
- Issue date Jun 23, 1992
- BASF Aktiengesellschaft
- Ortwin Schaffer
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Polyazo dyes with diazo components of the aminophenol and the amino...
- Patent number 5,104,979
- Issue date Apr 14, 1992
- BASF Aktiengesellschaft
- Guenter Hansen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dyeing of leather with pigments
- Patent number 4,983,185
- Issue date Jan 8, 1991
- BASF Aktiengesellschaft
- Rolf Streicher
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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
Tanning assistant
- Patent number 4,888,412
- Issue date Dec 19, 1989
- BASF Aktiengesellschaft
- Klaus Ebel
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Substituted sulfobenzene and triazine-containing reactive dyes
- Patent number 4,801,693
- Issue date Jan 31, 1989
- BASF Aktiengesellschaft
- Ortwin Schaffer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
Reactive dyes containing substituted 4-fluoropyridaz-6-one radicals
- Patent number 4,677,199
- Issue date Jun 30, 1987
- BASF Aktiengesellschaft
- Dietmar Augart
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dye powder formulation
- Patent number 4,351,640
- Issue date Sep 28, 1982
- Ortwin Schaffer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Ortwin Schaffer

Person

Patents Grantslast 30 patents

Reactive azo dyes with a coupler of the aminonaphthalene series

Amino benzophenone dye

Pyridone compounds and the preparation of disulfonated pyridone com...

Self-tanning, pretanning and assist tanning of pelts and skin pelts...

Condensation polymers of sulfonated phenols, urea, other organic ni...

Fluent polyazo dye preparations and method of dying leather or wool...

Use of copolymers based on long-chain alkyl vinyl ethers and ethyle...

Copolymers based on long-chain olefins and ethylenically unsaturate...

Quaternized condensation products for aftertreating dyed leather

Products of the condensation of phenolmonosulfonic acids, dihydroxy...

Copolymers based on long-chain unsaturated esters and ethylenically...

Polyazo dyes with diazo components of the aminophenol and the amino...

Dyeing of leather with pigments

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

Tanning assistant

Substituted sulfobenzene and triazine-containing reactive dyes

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

Reactive dyes containing substituted 4-fluoropyridaz-6-one radicals

Dye powder formulation