Donald F. Jacques

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Cornwells Heights, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating black liquor using acrylic acid polymer
- Patent number 4,263,092
- Issue date Apr 21, 1981
- Betz Laboratories, Inc.
- Frederick C. Klaessig
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Polyacrylic acids and methyl vinyl ether/maleic anhydride copolymer...
- Patent number 4,255,309
- Issue date Mar 10, 1981
- Betz Laboratories, Inc.
- Frederick C. Klaessig
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Chromate reduction in aqueous medium
- Patent number 4,033,867
- Issue date Jul 5, 1977
- Betz Laboratories, Inc.
- Donald F. Jacques
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE