Nelu Spiratos

Follow

Person

LaPrairie, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Polymeric basic aluminum silicate-sulphate
- Patent number 5,149,400
- Issue date Sep 22, 1992
- Handy Chemicals Ltd.
- Dieter Haase
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polymeric basic aluminum silicate-sulphate
- Patent number 5,069,893
- Issue date Dec 3, 1991
- Handy Chemicals Limited
- Dieter Haase
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polymeric basic aluminum silicate-sulphate
- Patent number 4,981,675
- Issue date Jan 1, 1991
- Handy Chemicals Ltd.
- Dieter Haase
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing aqueous solutions of basic poly aluminum sulphate
- Patent number 4,877,597
- Issue date Oct 31, 1989
- Handy Chemicals Ltd.
- Dieter Haase
- C01 - INORGANIC CHEMISTRY