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:
Aug. 04, 1981
Filed:
Mar. 26, 1980
Applicant:
Inventors:
Arnaldo Roggero, S. Donato Mi, IT;
Luciano Zotteri, S. Donato Mi, IT;
Assignee:
Anic S.p.A., Palermo, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
525153 ; 525285 ; 525296 ; 525310 ; 525312 ; 525366 ; 525369 ;
Abstract
A method is disclosed for preparing graft polymers of alpha-substituted-beta-propiolactones, comprising the step of providing anionic sites in an amorphous base polymer and reacting the anionic compound with an alpha-substituted-beta-propiolactone. Critical concentrations of unsaturation in the base polymer and critical quantities of the beta-propiolactone concerned are indicated.
Roggero, Arnaldo. (1981). Process for the preparation of grafted polymers of (U.S. Patent No. 4282338). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4282338
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