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:
May. 06, 1980
Filed:
May. 17, 1978
Applicant:
Inventors:
Jack W Charbonneau, Somerset Township, St. Croix County, WI (US);
Richard S Law, Newport, MN (US);
Willis J Ludwig, Hudson, WI (US);
Wayne O Otteson, Woodbury, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B01J / ; C09D / ;
U.S. Cl.
CPC ...
282 275 ; 106 145 ; 106 21 ; 106 31 ; 252316 ; 427150 ; 427151 ; 428307 ; 428488 ; 428913 ; 428914 ;
Abstract
Hot-melt imaging compositions useful for solventless coating on paper substrates. The imaging compositions comprise imaging microcapsules having melamine-urea-formaldehyde condensation polymer shells and an organic liquid dye precursor dispersed in a hot-melt binder. The compositions can be coated on paper substrates by conventional coating techniques to provide carbonless papers.