Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate
2006-06-29
2009-02-17
Boykin, Terressa M (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
C548S466000, C548S471000, C548S472000, C548S476000
Reexamination Certificate
active
07491788
ABSTRACT:
Melt blended compositions, comprising up to 20 wt % of an optional additive, and 80-100 wt % of a copolycarbonate having a Tg of 200° C. or more of (1)wherein the mole ratio of x:y is 35:65 to 90:10, R1is derived from a dihydroxy compound (2)wherein R3and R5are each independently a halogen or a C1-6alkyl group, R4is a C1-6alkyl, phenyl, or phenyl substituted with up to five halogens or C1-6alkyl groups, and each c is independently 0 to 4; R2is derived from a dihydroxy compound (6):wherein Raand Rbare each independently a halogen atom or a monovalent C1-6alkyl group; p and q are each independently integers of 0 to 4; and Xais a divalent group; and 95 to 5 wt % of a polycarbonate having a Tg of less than 200° C. of formula (9)wherein R9derived from a dihydroxy compound of formula (6); and 0.001 to 0.1 wt % of a transesterification catalyst.
REFERENCES:
patent: 4134936 (1979-01-01), Byrne et al.
patent: 4217438 (1980-08-01), Brunelle et al.
patent: 4310652 (1982-01-01), DeBona et al.
patent: 5344910 (1994-09-01), Sybert
patent: 5455310 (1995-10-01), Hoover et al.
patent: 5804525 (1998-09-01), Boden et al.
patent: 7135577 (2006-11-01), Rai et al.
patent: 2005/0222334 (2005-10-01), Srinivasan et al.
patent: 2005/0228137 (2005-10-01), Srinivasan et al.
patent: 0633292 (1995-01-01), None
patent: 1582549 (2005-10-01), None
patent: 06003838 (1994-01-01), None
patent: 06082624 (1994-03-01), None
patent: 2820277 (1998-11-01), None
patent: 2005068216 (2005-03-01), None
patent: 2006/127219 (2006-11-01), None
JP03-070790; Publication Date: Mar. 26, 1991 (translation of abstract only).
Boranowska, Z. et al, “Badanie Odpomosci Poliweglanow Na Hydrolize W Srodowisku Zasadowyn” Polimery, Instytut Chemii Prrzemysowej, Warsaw, PL, vol. 15, No. 1, (1970), pp. 12-14.
Korshak, V.V. et al, “Cardo Polymers” Reviews in Macromolecular Chemistry, Marcel Dekker, Inc., New York, vol. C1, No. 1, (1974), pp. 45-142.
M.S. Lin, et al “Polymers With Improved Flammability Characteristics. I. Phenolphthalein-Related Homopolymers”; Journal of Polymer Science: Polymer Chemistry Edition, vol. 19, 2659-2670 (1981).
M.S. Lin, et al “Thermal Degradation Study of Phenolphthalein Polycarbonate”, Journal of Polymer Scient: Polymer Chemistry Edition, vol. 19, 2773-2797 (1981).
International Search Report for International Application No. PCT/US2007/065867, mailed Aug. 16, 2007; 6 pages.
Written Opinion of the International Searching Authority for International Application No. PCT/US2007/065867, 5 pages.
Leenders Chiel Albertus
Mullen Brian
Zerda Adam S
Boykin Terressa M
SABIC Innovative Plastics IP B.V.
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