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:
Oct. 18, 1983
Filed:
Jan. 06, 1982
Applicant:
Inventors:
Dietrich Mangold, Neckargemuend, DE;
Josef Wahl, Schifferstadt, DE;
Wolf-Karlo Aders, Ellerstadt, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568603 ; 568591 ; 568592 ;
Abstract
Acetals of malonaldehyde are prepared by reacting an orthoester with a vinyl ether in the presence of a catalytic amount of FeCl.sub.3. The malonaldehyde acetals obtainable by the process according to the invention are valuable intermediates in the preparation of dyes, crop protection agents and drugs.
Quick Actions:
Mangold, Dietrich. (1983). Preparation of acetals of malonaldehyde (U.S. Patent No. 4410733). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4410733
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile