Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2005-03-08
2005-03-08
Seidleck, James J. (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C526S171000, C526S190000, C526S280000, C526S308000
Reexamination Certificate
active
06864325
ABSTRACT:
The invention relates to metathesis polymers wherein an aromatic group that has UV-light absorbing properties is attached with a bridge group to the polymer. Also disclosed is a polymerizable composition comprising a catalytically effective amount of a penta- or hexavalent ruthenium or osmium carbene catalyst, the process for preparing the metathesis polymer by applying the reaction conditions of Ring Opening Metathesis Polymerization (=ROMP) to the polymerizable composition; and various technical applications of the metathesis polymers.
REFERENCES:
patent: 6525125 (2003-02-01), Giardello et al.
patent: 19718288 (1997-11-01), None
patent: 9733198 (1997-09-01), None
patent: 9950330 (1999-10-01), None
Bonora Michela
Lazzari Dario
Sala Massimiliano
Van Der Schaaf Paul Adriaan
Vitali Manuele
Asinovsky Olga
Ciba Specialty Chemicals Corporation
Seidleck James J.
Stevenson Tyler A.
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