POLYADDITION PRODUCTS CONTAINING HYDROXYL AND URETDIONE...

Details POLYADDITION PRODUCTS CONTAINING HYDROXYL AND URETDIONE... POLYADDITION PRODUCTS CONTAINING HYDROXYL AND URETDIONE...

2005-07-12

2005-07-12

Gorr, Rachel (Department: 1711)

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

C528S045000, C252S182220, C525S440030, C540S202000, C540S356000

Reexamination Certificate

active

06916897

ABSTRACT:
Polyaddition products containing hydroxyl and uretdione groups, a process for their preparation, their use for the production of highly reactive polyurethane (PUR) powder coatings which are free from elimination products and which crosslink to give light-stable and weather-stable coating films of high gloss, and the powder coatings produced accordingly are provided.

REFERENCES:
patent: 3923743 (1975-12-01), Quiring
patent: 4413079 (1983-11-01), Disteldorf
patent: 4483798 (1984-11-01), Disteldorf
patent: 5358945 (1994-10-01), Werner et al.
patent: 6613861 (2003-09-01), Gras
patent: 2 312 391 (1974-09-01), None
patent: 2 268 840 (1975-11-01), None
Encyclopedia of Polymer Sciences -Eng., vol. 13 1988; John Wiley & Sons, p. 290.

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