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Patents Grantslast 30 patents

Information Patent Grant
Methods for inhibiting the production of slime in aqueous systems
- Patent number 5,611,939
- Issue date Mar 18, 1997
- BetzDearborn Inc.
- Roy Hernandez-Mena
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Enzyme treatment for industrial slime control
- Patent number 5,238,572
- Issue date Aug 24, 1993
- Betz Laboratories, Inc.
- Roy Hernandez-Mena
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods for inhibiting the production of acid in acid mine waters
- Patent number 5,171,454
- Issue date Dec 15, 1992
- Betz Laboratories, Inc.
- Edmund J. Bockowski
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Biochemical conversion processes
- Patent number 4,732,680
- Issue date Mar 22, 1988
- Betz Laboratories, Inc.
- Timothy W. Weaver
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE