Ernst Schefczik

Person

Ludwigshafen, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Naphtholactam derivatives
- Patent number 4,096,145
- Issue date Jun 20, 1978
- BASF Aktiengesellschaft
- Ernst Schefczik
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Naphtholactam dyes
- Patent number 4,062,845
- Issue date Dec 13, 1977
- BASF Aktiengesellschaft
- Ernst Schefczik
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Naphtholactam dyes
- Patent number 4,009,165
- Issue date Feb 22, 1977
- BASF Aktiengesellschaft
- Ernst Schefczik
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Production of 3-monochloro-2,4,5-trialkylbenzophenones and 3,6-dich...
- Patent number 4,001,335
- Issue date Jan 4, 1977
- BASF Aktiengesellschaft
- Ernst Schaffner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Lactones of the benzazaxanthene series and dye-forming components f...
- Patent number 3,997,541
- Issue date Dec 14, 1976
- BASF Aktiengesellschaft
- Ernst Schefczik
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Basic arylmercaptonaphtholactam dyes
- Patent number 3,963,747
- Issue date Jun 15, 1976
- BASF Aktiengesellschaft
- Ernst Schefczik
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Quinazoline dyes
- Patent number 3,950,340
- Issue date Apr 13, 1976
- Badische Anilin- & Soda-Fabrik Aktiengesellschaft
- Ernst Schefczik
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Lactones of the benzaxanthere series and dye-forming components for...
- Patent number 3,946,017
- Issue date Mar 23, 1976
- Badische Anilin- & Soda-Fabrik Aktiengesellschaft
- Ernst Schefczik
- C07 - ORGANIC CHEMISTRY

Ernst Schefczik

Person

Patents Grantslast 30 patents

Naphtholactam derivatives

Naphtholactam dyes

Naphtholactam dyes

Production of 3-monochloro-2,4,5-trialkylbenzophenones and 3,6-dich...

Lactones of the benzazaxanthene series and dye-forming components f...

Basic arylmercaptonaphtholactam dyes

Quinazoline dyes

Lactones of the benzaxanthere series and dye-forming components for...