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David D. Dreisbach
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Jacksonville, FL, US
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last 30 patents
Information
Patent Grant
Method for inhibiting the deposition of organic contaminants in pol...
Patent number
5,556,510
Issue date
Sep 17, 1996
Betz Laboratories, Inc.
David D. Dreisbach
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for inhibiting the deposition of organic contaminants in pul...
Patent number
5,292,403
Issue date
Mar 8, 1994
Betz PaperChem, Inc.
David D. Dreisbach
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods for controlling the deposition of organic contaminants in p...
Patent number
5,266,166
Issue date
Nov 30, 1993
Betz PaperChem, Inc.
David D. Dreisbach
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods for inhibiting barium sulfate deposition using a poly(amine...
Patent number
5,256,253
Issue date
Oct 26, 1993
Betz PaperChem Inc.
Davor F. Zidovec
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for controlling pitch deposition from pulp in papermaking s...
Patent number
5,074,961
Issue date
Dec 24, 1991
Betz Laboratories, Inc.
David D. Dreisbach
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for controlling pitch deposition from pulp in papermaking s...
Patent number
4,871,424
Issue date
Oct 3, 1989
Betz Laboratories, Inc.
David D. Dreisbach
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for controlling pitch deposition from pulp in papermaking s...
Patent number
4,846,933
Issue date
Jul 11, 1989
Betz Laboratories, Inc.
David D. Dreisbach
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pitch control process utilizing quaternized polyamine ionene polymer
Patent number
4,765,867
Issue date
Aug 23, 1988
Betz Laboratories, Inc.
David D. Dreisbach
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for controlling pitch deposition from pulp in papermaking s...
Patent number
4,744,865
Issue date
May 17, 1988
Betz Laboratories, Inc.
David D. Dreisbach
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE