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:
Dec. 28, 1999
Filed:
Dec. 17, 1997
Applicant:
Inventor:
Larry K Olli, Seattle, WA (US);
Assignee:
The Boeing Company, Seattle, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564 57 ; 564 59 ; 528 49 ; 528 53 ; 528 54 ; 528 59 ; 528 60 ; 528 62 ; 528 64 ; 528 65 ;
Abstract
Aliphatic tetraketimine of the present invention are a novel class of compounds represented by the formula: ##STR1## wherein Et is ethyl, Me is methyl, and R is a residue of an aliphatic diisocyanate. The tetraketimine is made by condensing a novel ketimine with a diisocyanate. The ketimine has a free secondary amine after a polyamine selected from the group consisting of: