Zdenek Seha

Person

Basel, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the carbazolation of anthrimides
- Patent number 4,349,478
- Issue date Sep 14, 1982
- Ciba-Geigy AG
- Zdenek Seha
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the manufacture of aminoanthraquinones
- Patent number 4,076,735
- Issue date Feb 28, 1978
- Ciba-Geigy AG
- Zdenek Seha
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the manufacture of .alpha.,.alpha.'-aminonitroanthraqui...
- Patent number 4,065,478
- Issue date Dec 27, 1977
- Ciba-Geigy AG
- Zdenek Seha
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of N-alkylamino- and N,N-dialkylaminoan...
- Patent number 4,044,030
- Issue date Aug 23, 1977
- Ciba-Geigy Corporation
- Zdenek Seha
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the manufacture of aminoanthraquinones
- Patent number 4,021,456
- Issue date May 3, 1977
- Ciba-Geigy AG
- Zdenek Seha
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of metal-free phthalocyanine
- Patent number 3,998,839
- Issue date Dec 21, 1976
- Ciba-Geigy Corporation
- Zdenek Seha
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the manufacture of amino-anthraquinones
- Patent number 3,933,866
- Issue date Jan 20, 1976
- Ciba-Geigy AG
- Zdenek Seha
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Zdenek Seha

Person

Patents Grantslast 30 patents

Process for the carbazolation of anthrimides

Process for the manufacture of aminoanthraquinones

Process for the manufacture of .alpha.,.alpha.'-aminonitroanthraqui...

Process for the manufacture of N-alkylamino- and N,N-dialkylaminoan...

Process for the manufacture of aminoanthraquinones

Process for the preparation of metal-free phthalocyanine

Process for the manufacture of amino-anthraquinones