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. 16, 2014
Filed:
Dec. 11, 2009
Applicants:
Robert Parker, Bend, OR (US);
Julian E. Schafer, Montara, CA (US);
Steven P. Bitler, Menlo Park, CA (US);
Inventors:
Robert Parker, Bend, OR (US);
Julian E. Schafer, Montara, CA (US);
Steven P. Bitler, Menlo Park, CA (US);
Assignee:
Landec Corporation, Menlo Park, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01); C09D 5/00 (2006.01); G01K 11/16 (2006.01); G01K 11/18 (2006.01);
U.S. Cl.
CPC ...
G01K 11/165 (2013.01);
Abstract
A thermochromic indicator includes a coating on the substrate. The coating comprising a solid crystalline particles having a melting point of 0-130° C. At temperatures below the melting point, the coating is opaque. At temperatures above the melting point, the coating becomes translucent. The change in opacity can be reversible or irreversible.