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. 02, 2011
Filed:
Jan. 17, 2008
Robert Joseph Maleski, Kingsport, TN (US);
Ramesh Chand Munjal, Kingsport, TN (US);
Max Allen Weaver, Kingsport, TN (US);
Jean Carroll Fleischer, Kingsport, TN (US);
Michael Gale Ramsey, Limestone, TN (US);
Greg Alan King, Mount Carmel, TN (US);
Edward Enns Mcentire, Kingsport, TN (US);
Robert Joseph Maleski, Kingsport, TN (US);
Ramesh Chand Munjal, Kingsport, TN (US);
Max Allen Weaver, Kingsport, TN (US);
Jean Carroll Fleischer, Kingsport, TN (US);
Michael Gale Ramsey, Limestone, TN (US);
Greg Alan King, Mount Carmel, TN (US);
Edward Enns McEntire, Kingsport, TN (US);
Eastman Chemical Company, Kingsport, TN (US);
Abstract
UV-absorbing polymers and copolymers suitable for Composition into sunscreens for the protection of human skin. The UV-absorbing chromophoric monomers chosen are simple and easily synthesized. With the correct choice of chromophoric monomer or mixture of monomers, protection against UV-A radiation or against both UV-A and UV-B radiation can be achieved. With the correct choice of comonomer, copolymers produced as aqueous latex emulsions or as Polyethylene Glycol solutions can also be achieved.