Aqueous resinous binders

Details Aqueous resinous binders Aqueous resinous binders

2007-07-05

2009-12-15

Feely, Michael J (Department: 1796)

Stock material or miscellaneous articles

Composite

Of epoxy ether

C428S413000, C428S423100, C428S480000, C428S500000, C523S402000, C523S435000, C525S437000, C525S438000, C525S440010, C525S444000, C525S445000, C525S448000, C525S449000, C525S453000, C525S454000, C525S455000, C525S528000, C525S529000, C525S530000, C525S531000, C525S532000, C525S533000, C525S538000

Reexamination Certificate

active

07632570

ABSTRACT:
Aqueous resinous binders comprising graft copolymers, water-dilutable urethane polyols, epoxy-phosphorus acid reaction products, and an aqueous dispersion comprising the reaction product of trimellitic anhydride and a polyol, wherein the molar ratio of trimellitic anhydride to the polyol in the reaction product ranges from 1:2 to 1:4, and wherein the reaction product is further reacted with an anhydride to form another reaction product are disclosed. The binders are useful in primer formulations for automotive applications.

REFERENCES:
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patent: 5071904 (1991-12-01), Martin et al.
patent: 5667847 (1997-09-01), Muller et al.
patent: 5739194 (1998-04-01), Natesh et al.
patent: 6369133 (2002-04-01), Kitabatake
patent: 7163979 (2007-01-01), Okazaki et al.
patent: 2004/0159555 (2004-08-01), Purdy et al.
patent: 1 454 971 (2006-02-01), None

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