Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1991-04-15
1993-08-17
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525 82, 525 85, C08L 3312
Patent
active
052369110
ABSTRACT:
The present invention provides a methacrylic resin composition which comprises a mixture of 20-99% by weight of a methacrylic resin and 1-80% by weight of a methacrylic two-layer polymer comprising the following inner layer (a) and outer layer (b) and having the following requirements (c)-(e):
REFERENCES:
patent: 3793402 (1974-02-01), Owens
patent: 4180529 (1979-12-01), Hofmann
patent: 4385152 (1983-05-01), Boyack et al.
Database WPIL, No82-55935E, Derwent Publications Ltd, London, GB: & JP-A-59010745 (Asahi Chemical Ind KK) Mar. 10, 1984.
Koyama Teruhisa
Matsuura Hideaki
Culpeper Mullis Jeffrey
Kight III John
Sumitomo Chemical Company Limited
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