The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 03, 1996
Filed:
Nov. 17, 1995
Toru Doi, Yokkaichi, JP;
Hiroshi Inoue, Yokkaichi, JP;
Tosoh Corporation, , JP;
Abstract
A resin composition is disclosed which comprises: (a) from 1 to 99% by weight of a maleimide-olefin copolymer comprising from 40 to 60 mol % of structural unit (I) shown below and from 60 to 40 mol % of structural unit (II) shown below and having a number-average molecular weight of from 1.times.10.sup.3 to 5.times.10.sup.6 : ##STR1## wherein R.sup.1 is hydrogen or an alkyl having 1 to 6 carbon atoms, ##STR2## wherein R.sup.2 and R.sup.3 each is hydrogen or an alkyl having 1 to 6 carbon atoms; and (b) from 99 to 1% by weight of an acrylonitrile-styrene copolymer containing from 21 to 45% by weight of an acrylonitrile units. The composition is excellent in optical properties including transparency and low birefringence and in heat resistance and mechanical properties.