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. 11, 1989
Filed:
Jun. 25, 1987
John W Vanderzanden, St. Paul, MN (US);
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Abstract
Kit for thermal mass transfer printing comprising (1) a donor sheet having a backing bearing an image donating layer on at least one major surface thereof, and (2) a receptor sheet having a transparent backing bearing a transparent image receptive layer on at least one major surface thereof. The image donating layer does not contain wax or other hazy, opaque, or nonhomogenous materials. Colors are imparted to the image donating layer by means of dyes or dispersed transparent pigments that exhibit transparency in the particular binders used. While other thermal mass transfer systems are limited to melting or softening of the image donating layer only, the system of the present invention can also involve softening of the image receptive layer only, or softening of both image donating layer and image receptive layer.