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:
Jul. 26, 1988
Filed:
May. 06, 1986
Applicant:
Inventor:
Hans-Joachim Becker, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564409 ; 564315 ;
Abstract
m-Phenylenediamines are alkylated in the orthoposition by heating them with an Al/Zn alloy and aluminium chloride, and reacting them with lower alkenes at elevated pressures and temperatures when the evolution of hydrogen is complete.
Becker, Hans-Joachim. (1988). Process for the ortho-alkylation of optionally alkyl-substituted (U.S. Patent No. 4760185). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4760185
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile