Ketone-aldehyde resins having low water content, high...

Details Ketone-aldehyde resins having low water content, high... Ketone-aldehyde resins having low water content, high...

2006-09-05

2006-09-05

Mullis, Jeffrey (Department: 1711)

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

Synthetic resins

From ketone or ketene reactant

C528S224000, C528S227000, C528S223000, C525S399000

Reexamination Certificate

active

07101958

ABSTRACT:
The invention described herein provides ketone-aldehyde resins, especially cyclohexanone-formaldehyde resins, with low water content and high thermal stability and yellowing resistance, and to a process for preparing them and their use.

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Engelhardt et al., STN AN 1969:482022, abstracting DE 1300256.
Engelhardt et al.,DERWENT Abstract 1968-31952Q, abstracting DE 1300256.
U.S. Appl. No. 10/922,909, filed Aug. 23, 2004, Andrejewski, et al.
U.S. Appl. No. 10/893,241, filed Jul. 19, 2004, Gloeckner, et al.

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