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:
Feb. 09, 1999
Filed:
Nov. 05, 1993
Applicant:
Inventors:
Wallace E Puckett, Memphis, TN (US);
Mark L Zollinger, Memphis, TN (US);
Assignee:
Buckman Laboratories International, Inc., Memphis, TN (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
540596 ; 540597 ; 540598 ; 544111 ; 544129 ; 544140 ; 544141 ; 546186 ;
Abstract
A diamine useful as a catalyst for the polymerization of urethane. A method of making the catalyst comprises reacting a spiro quaternary amine with a secondary amine. The spiro quaternary amine is also useful as an antimicrobial agent.