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. 06, 1984
Filed:
May. 19, 1982
Applicant:
Inventors:
Gianalvise Carazzolo, Castellanza, IT;
Giancarlo Colombo, Milan, IT;
Giulio Gavella, Imola, IT;
Silvano Giacomuzzo, Cassano Magnago, IT;
Franco Gianetti, Gallarate, IT;
Assignee:
Montedison S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568854 ; 549352 ; 549369 ; 568672 ;
Abstract
Method for the recovery of pentaerythritol from a residual mixture of the synthesis from acetaldehyde and formaldehyde, said mixture containing, besides other byproducts, greater amounts of formals, said method being characterized by a transacetalization of said formals, realized by contact of the residual mixture with a saturated aliphatic alcohol having from 1 to 4 carbon atoms.
Carazzolo, Gianalvise. (1984). Method for the recovery of pentaerythritol from the residual mixtures of (U.S. Patent No. 4435604). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4435604
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile