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Donald T. Freese
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Glenside, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Membrane electrode assembly manufacturing process
Patent number
10,367,217
Issue date
Jul 30, 2019
W. L. Gore & Associates, Inc.
Donald T. Freese
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous delivery system for low surface energy structures
Patent number
9,018,264
Issue date
Apr 28, 2015
W. L. Gore & Associates, Inc.
Donald Freese
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Aqueous delivery system for low surface energy structures
Patent number
8,851,294
Issue date
Oct 7, 2014
W. L. Gore & Associates, Inc.
Donald Freese
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method and composition for inhibiting scale and controlling corrosi...
Patent number
6,099,755
Issue date
Aug 8, 2000
BetzDearborn Inc.
Stephen M. Kessler
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for inhibiting scale and controlling corrosion in cooling wa...
Patent number
5,866,013
Issue date
Feb 2, 1999
BetzDearborn Inc.
Stephen M. Kessler
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Composition for controlling scale formation in aqueous systems
Patent number
5,866,032
Issue date
Feb 2, 1999
BetzDearborn Inc.
William S. Carey
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Inhibition of scale and corrosion in aqueous systems
Patent number
5,616,278
Issue date
Apr 1, 1997
BetzDearborn Inc.
William S. Carey
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of inhibiting scale and controlling corrosion in cooling wat...
Patent number
5,575,920
Issue date
Nov 19, 1996
BetzDearborn Inc.
Donald T. Freese
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for controlling scale formation and deposition
Patent number
5,518,630
Issue date
May 21, 1996
Betz Laboratories, Inc.
Donald T. Freese
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Methods for controlling scale formation in acqueous systems
Patent number
5,518,629
Issue date
May 21, 1996
Betz Laboratories, Inc.
Libardo A. Perez
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Control of scale formation in aqueous systems
Patent number
5,489,666
Issue date
Feb 6, 1996
Betz Laboratories, Inc.
William S. Carey
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for removing deposits from cooling water systems
Patent number
5,401,311
Issue date
Mar 28, 1995
Betz Laboratories, Inc.
Donald T. Freese
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for removing clay deposits from cooling water systems
Patent number
5,401,323
Issue date
Mar 28, 1995
Betz Laboratories, Inc.
Donald T. Freese
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Composition for controlling scale formation in aqueous systems
Patent number
5,378,390
Issue date
Jan 3, 1995
Betz Laboratories, Inc.
Libardo A. Perez
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Control of scale formation in aqueous systems
Patent number
5,378,372
Issue date
Jan 3, 1995
Betz Laboratories, Inc.
William S. Carey
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Methods for controlling scale formation in aqueous systems
Patent number
5,326,478
Issue date
Jul 5, 1994
Betz Laboratories, Inc.
Libardo A. Perez
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Inhibition of silica and silicate deposition in cooling water systems
Patent number
5,271,862
Issue date
Dec 21, 1993
Betz Laboratories, Inc.
Donald T. Freese
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Inhibition of silica and silicate deposition in cooling water systems
Patent number
5,158,685
Issue date
Oct 27, 1992
Betz Laboratories, Inc.
Donald T. Freese
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
Membrane Electrode Assembly Manufacturing Process
Publication number
20160233532
Publication date
Aug 11, 2016
W.L. GORE & ASSOCIATES, INC.
Donald T. Freese
B32 - LAYERED PRODUCTS
Information
Patent Application
Aqueous Delivery System for Low Surface Energy Structures
Publication number
20150315352
Publication date
Nov 5, 2015
W.L. GORE & ASSOCIATES, INC.
Donald T. Freese
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Multifunctional Coatings on Microporous Substrates
Publication number
20150202577
Publication date
Jul 23, 2015
W.L. GORE & ASSOCIATES, INC.
Donald T. Freese
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Aqueous Delivery System for Low Surface Energy Structures
Publication number
20130224472
Publication date
Aug 29, 2013
W.L. GORE & ASSOCIATES, INC.
Donald T. Freese
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Aqueous Delivery System for Low Surface Energy Structures
Publication number
20130221265
Publication date
Aug 29, 2013
W.L. GORE & ASSOCIATES, INC.
Donald Freese
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Aqueous Delivery System for Low Surface Energy Structures
Publication number
20130210302
Publication date
Aug 15, 2013
W. L. Gore & Associates, Inc.
Donald T. Freese
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Multi-functional coatings on microporous substrates
Publication number
20070272606
Publication date
Nov 29, 2007
Donald T. Freese
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Aqueous delivery system for low surface energy structures
Publication number
20060270744
Publication date
Nov 30, 2006
Donald T. Freese
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...