Hardenable cyanate compositions

Details Hardenable cyanate compositions Hardenable cyanate compositions

2002-10-18

2011-10-04

Mullis, Jeffrey (Department: 1765)

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C528S124000, C528S418000, C528S422000

Reexamination Certificate

active

08030431

ABSTRACT:
A curable mixture which includes at least (a) 10 to 100 percent by weight, in relation to the sum of the components (a) and (b), of at least one bi- or polyfunctional aromatic cyanate or a prepolymer formed from at least one bi- or polyfunctional aromatic cyanate or a mixture formed from the abovementioned cyanates and/or prepolymers; (b) 0 to 90 percent by weight, in relation to the sum of the components (a) and (b), of at least one mono-, bi- or polyfunctional epoxy resin; (c) 0.5 to 30 percent by weight, in relation to the sum of the components (a) and (b), of at least one mono-, bi- or polyfunctional aromatic amine; and (d) 0 to 5 percent by weight, in relation to the sum of the components (a) and (b), of at least one catalyst from the group consisting of transition metal compounds and boron trihalides.

REFERENCES:
patent: 4680378 (1987-07-01), Hefner
patent: 5003039 (1991-03-01), Keller
patent: 5043411 (1991-08-01), Ho et al.
patent: 5206321 (1993-04-01), Hefner et al.
patent: 5371178 (1994-12-01), Nguyen
patent: 5494981 (1996-02-01), Gorodisher et al.
patent: 2002/0095007 (2002-07-01), Larock et al.
patent: 1055524 (1967-01-01), None
patent: 93-17059 (1993-09-01), None
The International Search Report from corresponding PCT application.
Takeji, Patent Abstracts of Japan abstracting JP 62-252417.

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