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. 06, 1993
Filed:
Sep. 13, 1991
Applicant:
Inventors:
Theodore L Parker, Walnut Creek, CA (US);
Thomas W Regulski, Walnut Creek, CA (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G07C / ; G07C / ;
U.S. Cl.
CPC ...
560 21 ; 560 24 ; 560 25 ; 560 26 ; 560 27 ; 560 28 ; 560 30 ; 560 31 ; 560 33 ; 560 56 ; 560 59 ; 560 63 ; 560 65 ; 560 80 ; 560 83 ; 568 20 ; 568 23 ; 568 24 ; 568 25 ; 568337 ; 568631 ; 568632 ; 568633 ; 568634 ;
Abstract
The invention relates to benzocyclobutene capped benzotrifluoride based fluoroaryl ether compounds which are useful in preparing semi-permeable membranes, and films and coatings useful in electronic applications.