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. 16, 1980
Filed:
Mar. 15, 1979
Applicant:
Inventors:
Giovanni Dozzi, Milan, IT;
Salvatore Cucinella, San Donato Milanese, IT;
Tito Salvatori, San Donato Milanese, IT;
Assignee:
Anic S.p.A., Palermo, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
2604 / ; 2524 / ;
Abstract
There are disclosed oligomeric aluminum hydride iminic derivatives to be employed as catalysts in polymerization processes and, which are prepared by causing alkali-metal or alkaline-earth-metal alanates to react with a primary amine which contains a group of the type --X--R'.sub.m, wherein X is a nitrogen atom or an oxygen atom and m is equal to the valence of X minus one. The compounds have a trimeric or a tetrameric 'open cage' spatial configuration.