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:
Mar. 28, 1978
Filed:
Dec. 11, 1975
Mitsuo Abe, Yokkaichi, JA;
Tetsuo Murata, Yokkaichi, JA;
Minoru Furuichi, Yokkaichi, JA;
Nobuhide Shiraishi, Yokkaichi, JA;
Shohei Wada, Yokkaichi, JA;
Seiji Tai, Yokkaichi, JA;
Tsukasa Maeda, Yokkaichi, JA;
Japan Synthetic Rubber Co., Ltd., Tokyo, JA;
Abstract
A hot melt adhesive composition consisting essentially of 100 parts by weight of polybutadiene having a 1,2-bond structure content of not less than 70% and a crystallinity of not less than 10%, from 50 to 1000 parts by weight of at least one inorganic filler, from 10 to 300 parts by weight of at least one tackifier, and at least one plasticizer and/or at least one flow improving agent, said composition having melt viscosity of from 50 to 50000 poises within a temperature range from 100.degree. to 150.degree. C.