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:
Jun. 20, 2006
Filed:
Dec. 07, 2004
Leo Z. Liu, Lawrenceville, NJ (US);
Jeanne Chang, Madison, NJ (US);
Leo Z. Liu, Lawrenceville, NJ (US);
Jeanne Chang, Madison, NJ (US);
Rhodia Inc., Cranbury, NJ (US);
Abstract
The invention relates to the preparation of hydrophobic modified diquaternary cationic monomers and their copolymer as well as the use such monomers and copolymers as thickening agents/rheology modifiers for acidic compositions. The hydrophobic modified diquaternary cationic monomer having the general formula: wherein X is selected from O, NH, or NR; Y is any alkyl, alkylene with or without heteroatoms, and R, R, RR, R, which are identical or different, are selected from C1–C4 alkyl groups, R is selected from any alkyl group with or without heteroatoms, and Ris a hydrphobe having an alkyl chain of more than 4 atoms.