Willy Gronen

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Schollkrippen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Dyeing preparations and their use for preparing developing dyes
- Patent number 4,242,094
- Issue date Dec 30, 1980
- Hoechst Aktiengesellschaft
- Erich Feess
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the printing of cellulose fiber fabrics
- Patent number 4,212,648
- Issue date Jul 15, 1980
- Hoechst Aktiengesellschaft
- Horst Curtius
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the printing of mixed fabrics of polyester and cellulos...
- Patent number 4,212,646
- Issue date Jul 15, 1980
- Hoechst Aktiengesellschaft
- Horst Curtius
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the preparation of azo dyestuffs on fiber materials con...
- Patent number 4,201,547
- Issue date May 6, 1980
- Hoechst Aktiengesellschaft
- Erich Feess
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the fixation of organic dyestuffs on materials having a...
- Patent number 4,118,186
- Issue date Oct 3, 1978
- Hoechst Aktiengesellschaft
- Erich Feess
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...