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:
Dec. 13, 1977
Filed:
Dec. 03, 1975
Applicant:
Inventors:
Assignee:
Societe Nationale Elf Aquitaine (SNEA), Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526169 ; 252 / ; 2608 / ; 526115 ; 526133 ; 526139 ; 526140 ; 526141 ; 526142 ; 526153 ; 526157 ; 526159 ; 526164 ; 526240 ; 526263 ;
Abstract
Novel amorphous copolymers of mono-olefins or of mono-olefins and non-conjugated dienes with unsaturated derivatives of imides are disclosed. These copolymers containing from 99.9 to 80% by weight of non-polar units derived from at least two mono-olefins containing 2 to 18 carbon atoms, particularly ethylene and propene or ethylene and butene-1, and possibly one or more non-conjugated dienes, and from 0.1 to 20% units derived from an imide having the formula ##STR1## wherein Z is an alkenyl radical containing 2 to 16 carbon atoms, and