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:
Nov. 30, 1999
Filed:
Jun. 25, 1998
Applicant:
Inventors:
Jessica Dee Posey-Dowty, Kingsport, TN (US);
Alan Kent Wilson, Kingsport, TN (US);
Larry Gerald Curtis, Johnson City, TN (US);
Paul Michael Swan, Lancashire, GB;
Kab Sik Seo, Kingsport, TN (US);
Assignee:
Eastman Chemical Corporation, Kingsport, TN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08B / ; C08L / ;
U.S. Cl.
CPC ...
536 66 ; 524 35 ; 524 37 ; 524 38 ; 524 39 ; 524 40 ; 524 42 ; 524 43 ; 524 44 ; 524 45 ; 10616301 ; 1061028 ;
Abstract
The present invention provides certain carboxymethyl cellulose (CMC) esters of higher acids (e.g., CMC acetate propionate, CMC propionate, CMC acetate butyrate, and CMC butyrate)having specific use in aqueous dispersions useful in formulating waterborne coating compositions containing pigments, especially metallic pigments such as aluminum flakes and mica. The esters also have specific use as wetting agents and in high solids coatings.