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. 24, 1991
Filed:
Mar. 29, 1990
Applicant:
Inventors:
Daniela Belli Dell'Amico, Pisa, IT;
Fausto Calderazzo, Ghezzano, IT;
Michela Dell'Innocenti, Calci, IT;
Assignee:
Consiglio Nazionale Delle Ricerche, Rome, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556420 ; 556183 ;
Abstract
Silicon and aluminium N,N-dialkylcarbamates are prepared by reacting a secondary amine and CO.sub.2 with respectively a silicon and an aluminium halide in a reaction medium consisting of an organic solvent. The respective hydrolysis products are obtained from said N,N-dialkylcarbamates by treatment with water in tetrahydrofuran.