US Patent No: 6,291,541

Number of patents in Portfolio can not be more than 2000

Solid vinyl ether terminated urethane curing agent

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Abstract

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Solid vinyl ether terminated curing agents for powder coatings can be prepared by reacting an aliphatic diisocyanate with a polyol and then with a hydroxy vinyl ether, or by reacting an aliphatic polyisocyanate with a hydroxy vinyl ether. Powder coatings based on the so prepared curing agents are extremely useful for coating heat sensitive substrates by exposure to ultraviolet light, heat, or both.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
MORTON INTERNATIONAL, INC.CHICAGO, IL179

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Daly, Andrew T Sinking Spring, PA 58 443
Shah, Navin B Sinking Spring, PA 13 144

Cited Art Landscape

Patent Info (Count) # Cites Year
 
SILVER POINT FINANCE, LLC (3)
4,749,807 Vinyl ether terminated ester oligomers 29 1987
4,775,732 Vinyl ether terminated ester and urethane resins from bis(hydroxyalkyl)cycloalkanes 24 1988
5,139,872 Vinyl ether based optical fiber coatings 30 1990
 
DSM N.V. (2)
4,956,198 Ultraviolet-curable cationic vinyl ether polyurethane coating compositions 14 1988
4,996,282 Cationically curable polyurethane compositions having vinyl ether functionality 16 1989
 
Allied Signal (1)
4,751,273 Vinyl ether terminated urethane resins 33 1987
 
BASF AKTIENGESELLSCHAFT (1)
5,200,490 Polyurethane vinyl ethers 6 1992
 
HUNTSMAN ADVANCED MATERIALS AMERICAS INC. (1)
5,437,964 Stereolithography using vinyl ether-epoxide polymers 35 1994
 
MORFLEX, INC. (1)
5,019,636 Polyester chain-extended vinyl ether urethane oligomers 7 1989
 
ROHM AND HAAS CHEMICALS LLC (1)
5,922,473 Dual thermal and ultraviolet curable powder coatings 27 1996

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