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:
Jun. 08, 1976
Filed:
Apr. 01, 1975
Akira Wada, Kamakura, JA;
Yorimitsu Shibata, Yokohama, JA;
Nippon Zeon Co., Ltd., Tokyo, JA;
Abstract
A hot-melt composition comprising [A] a cyclopentadiene-type resin having a bromine number of not more than 70 and a softening point of 50.degree. to 170.degree.C., said resin being the polymerization reaction product of 90 to 40% by weight of (I) a monomer containing a cyclopentadiene skeleton with 10 to 60% by weight of (II) at least one polar unsaturated monomer selected from the group consisting of (i) organic unsaturated cyano compounds containing 3 to 6 carbon atoms, (ii) alkenyl alkanoates derived from aliphatic monocarboxylic acids containing 1 to 4 carbon atoms and vinyl alcohol or allyl alcohol, and (iii) unsaturated carboxylic acid esters derived from unsaturated carboxylic acids containing 3 to 4 carbon atoms and aliphatic alcohols containing 1 to 6 carbon atoms, and [B] an ethylenic copolymer.