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:
May. 24, 1994
Filed:
Apr. 06, 1993
Applicant:
Inventors:
Gary J Drtina, Woodbury, MN (US);
Leif Christensen, St. Paul, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546 43 ; 546 14 ; 546 22 ;
Abstract
Polycyclic diamines, incorporating a basic framework similar to [3.3.3]propellane, and derivatives of the basic polycyclic diamines and a process for preparing same are provided. The diamines are prepared by subjecting bispyridine compounds to electroreductive coupling in an acidic solution. The polycyclic diamines and derivatives thereof are useful as chain extenders, crosslinking agents and curatives in various polymer systems.
Quick Actions:
Drtina, Gary. (1994). Method of preparing polycyclic diamines (U.S. Patent No. 5315006). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5315006
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile