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:
Jan. 24, 1989
Filed:
Oct. 13, 1987
Lonseal Corporation, Tokyo, JP;
Abstract
An open cell body is made of hard vinyl chloride resin made by extruding a compound composition consisting essentially of a vinyl chloride resin made by a suspension polymerization method or a block polymerization method, an ultramacromolecular weight acrylic processing aid, joint use of an organic stabilizer containing a metal of the group I in the periodic table and an organic stabilizer containing a metal of the group II in the periodic table, or an organic composite stabilizer containing the both metals, joint use of an anionic surface active agent and a nonionic surface active agent, or joint use of an anionic surface active agent and a low polymerization degree polyolefin or waxes, a thermal decomposing organic blowing agent such as azodicarbonamide, and, as occasion demands, a powderly filler such as calcium carbonate.