Mixtures for producing transparent plastics, transparent...

Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant

Reexamination Certificate

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C252S182180, C252S182230, C252S182280, C252S183110

Reexamination Certificate

active

07445728

ABSTRACT:
The invention relates to mixtures for producing transparent plastic, which mixtures comprise: a) compounds of formulae (I) and (II), wherein R1independently represents hydrogen or a methyl group, R2independently represents a linear or branched, aliphatic or cycloaliphatic group or a substituted or unsubstituted aromatic or heteroaromatic group and m and n independently represent an integer ≧0, with m+n>0, b) a prepolymer produced from polymethacrylate and alkyldithiols or polythiols, preferably HS—R3—SH (III), wherein R3is the same or different from R2and may have the definition of R2, and c) aromatic vinyl compounds.

REFERENCES:
patent: 5047576 (1991-09-01), Takenosita et al.
patent: 5270439 (1993-12-01), Maruyama et al.
patent: 6342571 (2002-01-01), Smith et al.
patent: 6698883 (2004-03-01), Momoda et al.
patent: 0 592 935 (1994-04-01), None
patent: 03 011925 (2003-02-01), None
patent: 03 011926 (2003-02-01), None
U.S. Appl. No. 10/588,210, filed Aug. 2, 2006, Schmitt et al.
U.S. Appl. No. 10/587,257, filed Jul. 26, 2006, Schmitt et al.

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