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:
Oct. 06, 1976
Applicant:
Inventors:
Saburo Matubara, Yokohama, JA;
Sakuya Iwai, Tokyo, JA;
Assignee:
Nippon Oil Company Ltd., , JA;
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 / ; 2608 / ; 260889 ;
Abstract
A hot melt adhesive composition is disclosed, which is highly adhesive and thermally stable. The composition includes a tackifying resin which is an aromatic hydrocarbon resin resulting from the polymerization of a thermally cracked petroleum fraction boiling in the range of 140.degree. -220.degree. C in the presence of a Friedel-Crafts catalyst. The resin is blended with ethylene copolymers and various waxes to form a hot melt adhesive compound.