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. 22, 2001
Filed:
Oct. 07, 1998
Applicant:
Inventors:
Manilal S. Dahanayake, Princeton Junction, NJ (US);
Jiang Yang, Hightstown, NJ (US);
Assignee:
Vinings Industries, Inc., Kennesaw, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C 5/02 ; D21C 9/08 ;
U.S. Cl.
CPC ...
D21C 5/02 ; D21C 9/08 ;
Abstract
An improved method for inhibiting the deposition of adhesive contaminants, hot melts and/or pressure sensitive adhesive materials onto the surfaces of secondary paper products and repulping equipment during the manufacture of same from waste paper products comprises the application of a water-soluble dispersant selected from the group consisting of a hydrophobically modified hydrocolloid or an acrylic acid polymer. The dispersant, preferably a modified guar gum or sodium acrylic acid/maleic acid copolymer improves product quality and papermaking equipment performance.