Alwin Reng

Person

Kelkheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Antidandruff agents and cosmetic preparations
- Patent number 5,494,658
- Issue date Feb 27, 1996
- Hoechst Aktiengesellschaft
- Heinz Hanel
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pearlescent dispersions comprising fatty acid glycol ester and non-...
- Patent number 5,403,508
- Issue date Apr 4, 1995
- Hoechst AG
- Alwin Reng
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Alkyl ether carboxylic acid taurides
- Patent number 5,231,224
- Issue date Jul 27, 1993
- Hoechst Aktiengesellschaft
- Thomas Gerdau
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
High molecular weight protein/fatty acid condensation products whic...
- Patent number 5,071,960
- Issue date Dec 10, 1991
- Hoechst Aktiengesellschaft
- Angelika Turowski
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of increasing viscosity with fatty acid-modified polyesters...
- Patent number 4,853,430
- Issue date Aug 1, 1989
- Hoechst Aktiengesellschaft
- Herbert Stuhler
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cosmetic agents for hair and skin treatment
- Patent number 4,781,918
- Issue date Nov 1, 1988
- Hoechst Aktiengesellschaft
- Manfred Hofinger
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the preparation of copolymers
- Patent number 4,722,958
- Issue date Feb 2, 1988
- Cassella Aktiengesellschaft
- Josef Sauer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Nonionic fluent pearl luster dispersions
- Patent number 4,654,163
- Issue date Mar 31, 1987
- Hoechst Aktiengesellschaft
- Jochen M. Quack
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pearlescent dispersion with good flow properties and a low surfacta...
- Patent number 4,620,976
- Issue date Nov 4, 1986
- Hoechst Aktiengesellschaft
- Jochen M. Quack
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Quaternary oxalkylated polyesters, a process for their preparation...
- Patent number 4,606,916
- Issue date Aug 19, 1986
- Hoechst Aktiengesellschaft
- Manfred Hofinger
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
O/W Emulsifiers for cosmetic purposes
- Patent number 4,600,539
- Issue date Jul 15, 1986
- Beiersdorf AG
- Udo Hoppe
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Betaine-amine oxides, a process for their preparation and their use...
- Patent number 4,588,522
- Issue date May 13, 1986
- Hoechst Aktiengesellschaft
- Gunter Blaschke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hair shampoos and body cleansing agents having a content of alkylsu...
- Patent number 4,564,520
- Issue date Jan 14, 1986
- Hoechst Aktiengesellschaft
- Winfried Ehrl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Bis-betaine-amine oxides, process for their preparation, and cleani...
- Patent number 4,416,808
- Issue date Nov 22, 1983
- Hoechst Aktiengesellschaft
- Gunter Blaschke
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Bis-betaines, a process for their preparation, and cleaning agents...
- Patent number 4,415,487
- Issue date Nov 15, 1983
- Hoechst Aktiengesellschaft
- Gunter Blaschke
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Triamine-trioxides, a process for their preparation, and cleaning a...
- Patent number 4,415,488
- Issue date Nov 15, 1983
- Hoechst Aktiengesellschaft
- Gunter Blaschke
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Use of cross-linked polymers to increase the viscosity in cosmetic,...
- Patent number 4,237,243
- Issue date Dec 2, 1980
- Hoechst Aktiengesellschaft
- Jochen M. Quack
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hair-treating agents from branched, sulfo-group containing copolyes...
- Patent number 4,150,216
- Issue date Apr 17, 1979
- Hoechst Aktiengesellschaft
- Jochen M. Quack
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Quaternary ammonium compounds and their use in hair care compositions
- Patent number 4,134,970
- Issue date Jan 16, 1979
- Hoechst Aktiengesellschaft
- Hans L. Panke
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Person

Patents Grantslast 30 patents

Antidandruff agents and cosmetic preparations

Pearlescent dispersions comprising fatty acid glycol ester and non-...

Alkyl ether carboxylic acid taurides

High molecular weight protein/fatty acid condensation products whic...

Method of increasing viscosity with fatty acid-modified polyesters...

Cosmetic agents for hair and skin treatment

Process for the preparation of copolymers

Nonionic fluent pearl luster dispersions

Pearlescent dispersion with good flow properties and a low surfacta...

Quaternary oxalkylated polyesters, a process for their preparation...

O/W Emulsifiers for cosmetic purposes

Betaine-amine oxides, a process for their preparation and their use...

Hair shampoos and body cleansing agents having a content of alkylsu...

Bis-betaine-amine oxides, process for their preparation, and cleani...

Bis-betaines, a process for their preparation, and cleaning agents...

Triamine-trioxides, a process for their preparation, and cleaning a...

Use of cross-linked polymers to increase the viscosity in cosmetic,...

Hair-treating agents from branched, sulfo-group containing copolyes...

Quaternary ammonium compounds and their use in hair care compositions