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. 09, 1990
Filed:
Feb. 26, 1988
Applicant:
Inventors:
Andre Lepert, Allouville Bellefosse, FR;
Morris L Evans, Baton Rouge, LA (US);
Lutz E Jacob, Wezembeek-Oppem, BE;
Assignee:
Exxon Research & Engineering Company, Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
524499 ; 524475 ; 524501 ; 525221 ;
Abstract
Petroleum resins having a softening point from 10.degree. C. to 80.degree. C. obtained from C.sub.5 olefins and diolefines and one or more monovinyl aromatic compounds which contain from 10 to 30 wt. % of the aromatic are useful as tackifiers for carboxylated styrene butadiene copolymer to produce pressure sensitive additives especially aqueous based adhesive when the resin is in the form of an emulsion which is also claimed.