HK

Heike Kelkenberg

HA Huls Aktiengesellschaft: 3 patents #12 of 193Top 7%
HA Huels Aktiengesellschaft: 2 patents #170 of 532Top 35%
CG Chemische Fabrik Stockhausen Gmbh: 1 patents #29 of 59Top 50%
CH Chemische Werke Huels: 1 patents #104 of 245Top 45%
Overall (All Time): #765,365 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5496933 Super-absorbents and a process for their preparation 1996-03-05
5447643 Aqueous fabric softener for the treatment of textile Michael Brock 1995-09-05
5023018 Use of polyhydroxyalkylamine-N,N-dicarboxylic acids and their salts as builders in detergents and cleaning agents Wulf Ruback 1991-06-11
5009814 Use of n-polyhydroxyalkyl fatty acid amides as thickening agents for liquid aqueous surfactant systems Wulf Ruback, Klaus Engel 1991-04-23
5004564 N-alkylglycamino compounds, a process for producing them, and their use 1991-04-02
4882091 Use of polyhydroxyalkylamine-N-N-dicarboxylic acids and their salts as builders in detergents and cleaning agents Wulf Ruback 1989-11-21
4356307 Cyclic imides, their preparation and use Elmar Wolf 1982-10-26