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:
Apr. 04, 1978
Filed:
Oct. 12, 1976
Applicant:
Inventor:
John Adams Frump, Terre Haute, IN (US);
Assignee:
IMC Chemical Group, Inc., Terre Haute, IN (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428332 ; 428426 ; 428913 ; 428 38 ; 52-1 ; 52171 ;
Abstract
A temperature responsive combination for transmitting or reflecting light comprising a double paned glass assembly and lying between said panes a temperature sensitive aqueous solution of a compound or mixture of compounds having the general formula ##STR1## wherein R.sub.1 is a lower alkyl of from 1 to 3 carbon atoms, R.sub.2 is selected from the group consisting of hydrogen, methyl, ethyl and hydroxymethyl, and R.sub.3 is selected from the group consisting of methyl, ethyl, propyl and methylethenyl.