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Gerald Cecil Walterick JR.
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Leavittown, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method for flocculating algae using polymers including tannin
Patent number
10,160,673
Issue date
Dec 25, 2018
General Electric Company
Gerald Cecil Walterick
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Foam control composition and method for controlling foam in aqueous...
Patent number
6,534,550
Issue date
Mar 18, 2003
Gerald C. Walterick
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Composition and method for water clarification
Patent number
5,916,991
Issue date
Jun 29, 1999
BetzDearborn Inc.
Jen-Chi Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Composition and method for water clarification
Patent number
5,846,436
Issue date
Dec 8, 1998
BetzDearborn Inc.
Jen-Chi Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Composition comprising a tannin-containing copolymer
Patent number
5,684,109
Issue date
Nov 4, 1997
BetzDearborn Inc.
Jen-Chi Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Composition and method for water clarification
Patent number
5,643,462
Issue date
Jul 1, 1997
BetzDearborn Inc.
Jen-Chi Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Quaternized polyvinylamine water clarification agents
Patent number
5,292,441
Issue date
Mar 8, 1994
Betz Laboratories, Inc.
Jen-Chi Chen
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Composition for reducing color contamination of influent water
Patent number
4,765,923
Issue date
Aug 23, 1988
Betz Laboratories, Inc.
Gerald C. Walterick
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for reducing the content of trihalomethane compounds and pr...
Patent number
4,737,293
Issue date
Apr 12, 1988
Betz Laboratories, Inc.
Gerald C. Walterick
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for reducing color contamination of influent water
Patent number
4,668,403
Issue date
May 26, 1987
Betz Laboratories, Inc.
Gerald C. Walterick
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for reducing color contamination of influent water
Patent number
4,668,404
Issue date
May 26, 1987
Betz Laboratories, Inc.
Gerald C. Walterick
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for reducing the content of trihalomethane compounds and pr...
Patent number
4,661,259
Issue date
Apr 28, 1987
Betz Laboratories, Inc.
Gerald C. Walterick
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR FLOCCULATING ALGAE USING POLYMERS INCLUDING TANNIN
Publication number
20150166376
Publication date
Jun 18, 2015
GENERAL ELECTRIC COMPANY
Gerald Cecil Walterick
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHODS FOR REMOVING MERCURY FROM WASTEWATER STREAMS
Publication number
20140124452
Publication date
May 8, 2014
GENERAL ELECTRIC COMPANY
Gerald Cecil Walterick
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE