Curable compositions

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2007-10-09

2007-10-09

Egwim, Kelechi C. (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S131000, C525S328800, C525S370000, C525S384000

Reexamination Certificate

active

11199693

ABSTRACT:
This invention relates to a curable composition comprising a solvent solution of a mixture comprising:(i) at least one hydroxy-functional acrylic-polymer; and(ii) at least one low molecular weight polyol reactive diluent;(iii) at least one polyisocyanate;(iv) a metal catalyst, such as a tin compound, for accelerating the isocyanate/hydroxyl reaction; and(v) propionic acid.

REFERENCES:
patent: 3808162 (1974-04-01), Allen et al.
patent: 6326059 (2001-12-01), Lewin et al.
patent: 05093028 (1993-04-01), None

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