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:
Sep. 03, 2013
Filed:
Aug. 22, 2011
Fushan Zhang, Hockessin, DE (US);
Tien-feng Ling, Newark, DE (US);
Fushan Zhang, Hockessin, DE (US);
Tien-Feng Ling, Newark, DE (US);
Hercules Incorporated, Wilmington, DE (US);
Abstract
A method for inhibiting resinous and sticky substances from filling or forming deposits on or within papermaking forming wire, by applying to said wire an effective inhibiting amount of a composition comprising at least one cationic agent selected from the group consisting of (a) cationic polyureas, (b) hydrophobically modified cationic polymers, (c) alkylammonium or/and alkylimidazolium salts, and optionally at least one nonionic amphiphilic copolymer selected from (i) hydrophobically modified polyethylene glycols], (ii) hydrophobically modified cellulose ethers, (iii) copolymers of vinyl alcohol and vinyl alkonate, (iv) polyoxyalkylene block copolymers, and (v) hydrophilically modified polydimethylsiloxanes.