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. 06, 1994
Filed:
Nov. 09, 1992
Applicant:
Inventors:
Mark A Johnson, Chillicothe, OH (US);
Alexander R Pokora, Pickerington, OH (US);
Assignee:
The Mead Corporation, Dayton, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C / ;
U.S. Cl.
CPC ...
162-6 ; 162-5 ; 162 72 ; 162 78 ; 162 99 ; 435278 ;
Abstract
A method of deinking printed waste paper for recycle which comprises converting a printed waste paper to a fibrous pulp in an aqueous medium to form a fibrous pulp slurry; contacting the slurry with a soybean peroxidase and a peroxide to deink the pulp; separating the deinked pulp from the aqueous medium; and recovering the deinked pulp.