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:
Mar. 30, 1993
Filed:
Sep. 27, 1991
Applicant:
Inventors:
Daniela Belli Dell'Amico, Pisa, IT;
Fausto Calderazzo, Ghezzano, IT;
Michela Dell'Innocenti, Calci, IT;
Pierluigi Robino, Asciano, IT;
Assignee:
Consiglio Nazionale delle Ricerche, Rome, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556420 ; 556183 ;
Abstract
Silicon and aluminum N,N-dialkylcarbamates are prepared by reacting a secondary amine and CO.sub.2 with respectively a silicon and an aluminum halide in a reaction medium consisting of an organic solvent and then hydrolyzed by treatment with water in an anhydrous organic solvent.