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. 23, 1991
Filed:
Jan. 10, 1991
Applicant:
Inventors:
Paul C Adair, Springboro, OH (US);
Cheryl L Moore, Springfield, OH (US);
Assignee:
The Mead Corporation, Dayton, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430138 ; 430464 ; 430466 ; 430478 ; 430479 ; 503216 ; 503225 ;
Abstract
A developer sheet useful in forming images having a high density comprising a support having front and back surfaces; and a developer layer coated from a solution on said front surface, said developer layer comprising a particulate reactive material being capable of reacting with a substantially colorless chromogenic material upon contact and generating an image, a binder material, and a viscosity increasing additive is provided. The developer sheet is particularly useful in photosensitive microencapsulated imaging systems for forming overhead transparencies.