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. 04, 2009
Filed:
Sep. 29, 2004
Sanjoy Kumar Chowdhury, Salt Lake City, IN;
Prakash P. Wadgaonkar, Pune, IN;
Theodorus Lambertus Hoeks, Bergen op Zoom, NL;
Suresh K. Rajaraman, Newburgh, NY (US);
Bhimrao D. Sarwade, Pune, IN;
Chilukuri Ver Avadhani, Pune, IN;
Sanjoy Kumar Chowdhury, Salt Lake City, IN;
Prakash P. Wadgaonkar, Pune, IN;
Theodorus Lambertus Hoeks, Bergen op Zoom, NL;
Suresh K. Rajaraman, Newburgh, NY (US);
Bhimrao D. Sarwade, Pune, IN;
Chilukuri Ver Avadhani, Pune, IN;
Abstract
A quaternary onium aromatic sulfonate represented by the formula: wherein each Rindependently comprises substituted or unsubstituted, aliphatic or aromatic, hydrocarbyl, carbocyclic or heterocyclic radicals, each X is selected from the group consisting of phosphorus and nitrogen; wherein 'a' has a value of 0, 1 or 2, and 'b' has a value of 0 or 1 with the proviso that (a+b) is equal to 1 or 2; Gis an aromatic group; E comprises a bis(carbonyloxyalkyl) polydiorganosiloxane, a bis(carbonyloxyaryl) polydiorganosiloxane, and an ether linkage; each Yindependently comprises hydrogen, a monovalent hydrocarbon group, alkenyl, allyl, halogen, bromine, chlorine; nitro; and OR, wherein R is a monovalent hydrocarbon group; “q” represents any integer from and including zero through the number of positions on Gavailable for substitution; “t” represents an integer equal to at least one; “s” represents an integer equal to either zero or one; and “u” represents any integer including zero; with the proviso that when E is an ether linkage, then X is phosphorus.