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:
Apr. 29, 1980
Filed:
Dec. 01, 1978
Applicant:
Inventor:
Ronald Golden, Louisville, KY (US);
Assignee:
Champion International Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
525398 ; 260 / ; 428526 ; 528232 ; 528241 ; 528259 ; 525509 ;
Abstract
Microscopic opacifying particles formed of a formaldehyde condensation product are chemically modified to impart anionic-, cationic- or hydroxy-functional groups thereto in order to provide improved dye receptivity, dispersibility and compatibility properties.