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:
Feb. 16, 1982
Filed:
Jul. 27, 1979
Applicant:
Inventors:
Sylvie L Boileau, Paris, FR;
Serge L Lecolier, Janville sur Juine, FR;
Serge F Raynal, Villejuif, FR;
Assignee:
Societe Nationale des Poudres et Explosifs, Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
528 14 ; 528 20 ; 528 21 ; 528 28 ; 528312 ; 528315 ; 528317 ; 528358 ; 528379 ; 528408 ; 528409 ;
Abstract
An initiator for the anionic polymerization of heterocyclic monomers comprises the product from the association of an alkali metal amide and the salt from at least one hydroxylated compound with the same alkali metal in an aprotic solvent. The hydroxylated compound is a primary alcohol, a secondary or tertiary alcohol, an ether alcohol, an amino alcohol, a polyether alcohol, a polyamino alcohol, a polyaminoetheralcohol, or an enol from a ketone.