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:
Nov. 29, 1988
Filed:
Sep. 29, 1986
Applicant:
Inventors:
Anthony F Preziosi, Ledgewood, NJ (US);
Thaddeus Prusik, Roosevelt, NJ (US);
Assignee:
LifeLines Technology, Inc., Morris Plains, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01K / ; G01N / ; C07C / ;
U.S. Cl.
CPC ...
436-2 ; 116206 ; 116207 ; 116217 ; 2524081 ; 260 / ; 422 56 ; 422 57 ; 422 58 ; 556 81 ; 556110 ; 556118 ;
Abstract
Acetylenic complexes are disclosed that are useful as environmental indicating materials whereby exposure thereof to environmental stimuli induces a color change. These complexes contain at least one effective complexing metal and at least one acetylenic compound of the general formula: