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Shenghong A. Dai
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Wallingford, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Process for recovering toluene diamine from toluene diisocyanate di...
Patent number
6,429,336
Issue date
Aug 6, 2002
The Dow Chemical Company
Shenghong A. Dai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyurea polymers having improved high temperature stability and me...
Patent number
5,525,681
Issue date
Jun 11, 1996
The Dow Chemical Company
Benny G. Barron
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polycarbamates, process for preparing polycarbamates, and process f...
Patent number
5,453,536
Issue date
Sep 26, 1995
The Dow Chemical Company
Shenghong A. Dai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst systems useful for forming isocyanurate, amide and/or oxaz...
Patent number
5,208,270
Issue date
May 4, 1993
The Dow Chemical Company
Shenghong A. Dai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Composition and method of preparation of viscosity-stabilized polyi...
Patent number
5,169,878
Issue date
Dec 8, 1992
The Dow Chemical Company
Lao-Jer Chen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Carboxylic acid modified carbon dioxide co-blown polyurethane-polyi...
Patent number
5,143,945
Issue date
Sep 1, 1992
The Dow Chemical Company
Thomas W. Bodnar
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Nitro substituted diphenyl ethers and derivatives thereof
Patent number
4,720,584
Issue date
Jan 19, 1988
The Dow Chemical Company
Shenghong A. Dai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyesteramide from hydroxy phenyl-isopropyl-amino diphenyl ether
Patent number
4,709,004
Issue date
Nov 24, 1987
The Dow Chemical Company
Shenghong A. Dai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Nitro substituted diphenyl ethers and derivatives thereof
Patent number
4,689,434
Issue date
Aug 25, 1987
The Dow Chemical Company
Shenghong A. Dai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Azetidinedione compounds as crosslinkers for electrodeposited coatings
Patent number
4,683,302
Issue date
Jul 28, 1987
The Dow Chemical Company
Shenghong A. Dai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Azetidinedione urethanes
Patent number
4,642,342
Issue date
Feb 10, 1987
The Dow Chemical Company
Shenghong A. Dai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Nitro substituted diphenyl ethers
Patent number
4,618,727
Issue date
Oct 21, 1986
The Dow Chemical Company
Shenghong A. Dai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for electrodeposition using azetidinedione compounds as cro...
Patent number
4,612,098
Issue date
Sep 16, 1986
The Dow Chemical Company
Shenghong A. Dai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Tris-azetidinedione derivative 1,3,5-triazin-2,4,6-triones
Patent number
4,612,374
Issue date
Sep 16, 1986
The Dow Chemical Company
Shenghong A. Dai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymer from azetidine-2,4-dione and polyol or polyamine
Patent number
4,604,450
Issue date
Aug 5, 1986
The Dow Chemical Company
Shenghong A. Dai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Isocyanato-azetidinediones
Patent number
4,576,747
Issue date
Mar 18, 1986
The UpJohn Company
Shenghong A. Dai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Azetidinedione compounds as crosslinkers for electrodeposited coatings
Patent number
4,576,980
Issue date
Mar 18, 1986
The Dow Chemical Company
Shenghong A. Dai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyamide block copolymer from lactam and azetidine-2,4-dione
Patent number
4,550,157
Issue date
Oct 29, 1985
The Dow Chemical Company
Shenghong A. Dai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of hydroxyphenyl-indanols
Patent number
4,334,106
Issue date
Jun 8, 1982
The Upjohn Company
Shenghong A. Dai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel process
Patent number
4,328,361
Issue date
May 4, 1982
The Upjohn Company
Shenghong A. Dai
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Process for recovering toluene diamine from toluene diisocyanate di...
Publication number
20020010369
Publication date
Jan 24, 2002
Shenghong Dai
C07 - ORGANIC CHEMISTRY