Time released curing system

Details Time released curing system Time released curing system

2007-08-28

2007-08-28

Niland, Patrick (Department: 1714)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C428S292400, C428S317100, C428S317700, C428S319300, C428S524000, C428S526000, C428S528000, C524S147000, C524S151000, C524S153000, C524S597000, C528S238000, C528S242000, C528S243000, C528S259000

Reexamination Certificate

active

10875877

ABSTRACT:
Curable urea formaldehyde binder compositions are provided which are useful in coated abrasive and wood engineering applications, in a time released fashion. The time released curable binder compositions include a urea formaldehyde resin and an aryl phosphite in varying concentrations. The curable binder compositions of the present invention provide desirable working times and faster curing times tinder ambient or near ambient conditions.

REFERENCES:
patent: 4268351 (1981-05-01), Henbest et al.
patent: 5096983 (1992-03-01), Gerber
patent: 5296520 (1994-03-01), Gerber
patent: 6133403 (2000-10-01), Gerber
patent: 0 869 980 (2003-02-01), None
International Search Report; International Application No. PCT/US03/30459; International Filing Date Sep. 26, 2003; 6 pages.

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