Unsaturated polyester resin composition, cured unsaturated...

Details Unsaturated polyester resin composition, cured unsaturated... Unsaturated polyester resin composition, cured unsaturated...

2006-04-04

2006-04-04

Yoon, Tae H. (Department: 1714)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S513000, C524S425000, C524S493000

Reexamination Certificate

active

07022754

ABSTRACT:
An unsaturated polyester resin composition containing 8 to 20% by weight of unsaturated polyester resin, 4 to 12% by weight of liquid thermoplastic resin, 8 to 20% by weight of glass fiber, and 50 to 75% by weight of inorganic filler, the unsaturated polyester resin containing 5.10 to 5.90 mmol/g of double bond group concentration, 1.50 to 2.50 mmol/g of ether linkage group concentration, 1.05 to 1.30 mmol/g of isopropylidene linkage group concentration, 2.50 to 3.50 mmol/g of ethylene linkage group concentration, and 3.20 to 3.60 mmol/g of methylene linkage group concentration per 1 g of unsaturated polyester.

REFERENCES:
patent: 4623562 (1986-11-01), Breitenfellner et al.
patent: 4683266 (1987-07-01), Palermo et al.
patent: 5047455 (1991-09-01), Hesse et al.
patent: 5985465 (1999-11-01), Daichou et al.
patent: 57-28442 (1982-06-01), None
patent: 9-97512 (1997-04-01), None
patent: WO 95/09201 (1995-04-01), None

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