Reinhard Helwig

Person

Gruenstadt, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Preparation of triazinyl-bis-anthraquinone dyes by reacting aryldih...
- Patent number 5,210,190
- Issue date May 11, 1993
- BASF Aktiengesellschaft
- Reinhard Helwig
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of 1-amino-2-carboxyanthraquinones
- Patent number 5,066,820
- Issue date Nov 19, 1991
- BASF Aktiengesellschaft
- Reinhard Helwig
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of alkoxy(iso)violanthrenediones
- Patent number 4,882,095
- Issue date Nov 21, 1989
- BASF Aktiengesellschaft
- Reinhard Helwig
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Preparation of C.I. Vat Blue 16
- Patent number 4,824,608
- Issue date Apr 25, 1989
- BASF Aktiengesellschaft
- Reinhard Helwig
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
3-tert-butyl-4-hydroxyphenylpropionic acid amino-alkylamide derivat...
- Patent number 4,785,107
- Issue date Nov 15, 1988
- BASF Aktiengesellschaft
- Reinhard Helwig
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Glycoluril derivatives and their use as stabilizers for polymers
- Patent number 4,769,457
- Issue date Sep 6, 1988
- BASF Aktiengesellschaft
- Reinhard Helwig
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tetrahydrofurancarboxylic acid derivatives
- Patent number 4,703,072
- Issue date Oct 27, 1987
- BASF Aktiengesellschaft
- Reinhard Helwig
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Furan-3-carboxylic acid derivatives
- Patent number 4,603,205
- Issue date Jul 29, 1986
- BASF Aktiengesellschaft
- Peter Neumann
- C07 - ORGANIC CHEMISTRY

Reinhard Helwig

Person

Patents Grantslast 30 patents

Preparation of triazinyl-bis-anthraquinone dyes by reacting aryldih...

Process for the preparation of 1-amino-2-carboxyanthraquinones

Preparation of alkoxy(iso)violanthrenediones

Preparation of C.I. Vat Blue 16

3-tert-butyl-4-hydroxyphenylpropionic acid amino-alkylamide derivat...

Glycoluril derivatives and their use as stabilizers for polymers

Tetrahydrofurancarboxylic acid derivatives

Furan-3-carboxylic acid derivatives