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. 22, 1998
Filed:
Dec. 18, 1996
Masahiro Nakamura, Saitamaken, JP;
Etsuo Matsui, Yamanashiken, JP;
Lintec Corporation, Tokyo, JP;
Asahi Kagaku Kogyo Co., Ltd., Tokyo, JP;
Abstract
A transparent brittle film prepared from a resin composition comprising (A) 100 parts by weight of a vinyl chloride resin, (B) 20 to 200 parts by weight of an acrylic resin, (C) 20 to 250 parts by weight of fused silica comprising aggregates of particles having an average particle diameter in the range of 5 to 20 .mu.m and individual particle diameters in the range of 0.5 to 100 .mu.m or aluminum hydroxide or barium sulfate comprising aggregates of particles having an average particle diameter in the range of 1 to 20 .mu.m and individual particle diameters in the range of 0.2 to 50 .mu.m, (D) 0 to 40 parts by weight of a plasticizer, and (E) 0.5 to 10 parts by weight of a stabilizer. The film is brittle, easily torn, and transparent, has a suitable degree of flexibility and hardness, and can be produced inexpensively and easily.