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:
Aug. 29, 2006
Filed:
Oct. 25, 2001
Timothy Bowles, Merseyside, GB;
Robert Lambie Rooney, Bridge of Weir, GB;
Clifford John Coles, Cam Dursley, GB;
Brian Rowatt, East Kilbride, GB;
Timothy Bowles, Merseyside, GB;
Robert Lambie Rooney, Bridge of Weir, GB;
Clifford John Coles, Cam Dursley, GB;
Brian Rowatt, East Kilbride, GB;
Sun Chemical Corporation, , NJ (US);
Abstract
A method of preparing a polymeric aryl sulfonamide is described which consists of reacting aryl sulfonyl with a polymeric amine in the presence of an acid acceptor. Also, another method of preparing a polymeric aryl sulfonamide is disclosed and consists of: reacting an aryl sulfonyl with a polymeric diamine in the presence of an acid acceptor to result in a linear oligomeric molecule; and reacting the linear oligomeric molecule with a monoamine or an aryl monosulfonyl in the presence of an acid acceptor. The use of polymeric aryl sulfonamides as pigment dipersants and wetting agents is also disclosed.