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Lai-Duien G. Fan
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Palatine, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Composition for inhibition of metal corrosion
Patent number
6,620,338
Issue date
Sep 16, 2003
Donlar Corporation
Joseph C. Fan
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Composition and method for inhibition of metal corrosion
Patent number
6,447,717
Issue date
Sep 10, 2002
Donlar Corporation
Joseph C. Fan
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Inhibition of metal corrosion
Patent number
6,277,302
Issue date
Aug 21, 2001
Donlar Corporation
Lai-Duien Grace Fan
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for enhanced plant productivity
Patent number
5,814,582
Issue date
Sep 29, 1998
Donlar Corporation
Larry P. Koskan
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Method for inhibiting corrosion of metals using polytartaric acids
Patent number
5,344,590
Issue date
Sep 6, 1994
W. R. Grace & Co.-Conn.
Charles G. Carter
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of dispersing iron
Patent number
5,183,574
Issue date
Feb 2, 1993
W. R. Grace & Co.-Conn.
Chih M. Hwa
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Naphthylamine polycarboxylic acids
Patent number
5,139,702
Issue date
Aug 18, 1992
W. R. Grace & Co.-Conn.
Charles G. Carter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of inhibiting scale deposits
Patent number
5,124,047
Issue date
Jun 23, 1992
W. R. Grace & Co.-Conn.
Loc Quach
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
Composition for inhibition of metal corrosion
Publication number
20030060372
Publication date
Mar 27, 2003
Donlar Corporation
Joseph C. Fan
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...