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:
Feb. 21, 2012
Filed:
Mar. 28, 2006
Emmett Dudley Crawford, Kingsport, TN (US);
Thomas Joseph Pecorini, Kingsport, TN (US);
Douglas Stephens Mcwilliams, Kingsport, TN (US);
David Scott Porter, Blountville, TN (US);
Gary Wayne Connell, Church Hill, TN (US);
Emmett Dudley Crawford, Kingsport, TN (US);
Thomas Joseph Pecorini, Kingsport, TN (US);
Douglas Stephens McWilliams, Kingsport, TN (US);
David Scott Porter, Blountville, TN (US);
Gary Wayne Connell, Church Hill, TN (US);
Eastman Chemical Company, Kingsport, TN (US);
Abstract
Described are polyester compositions comprising at least one polyester which comprises terephthalic acid residues in the amount from 80 to 100 mole %, 2,2,4,4-tetramethyl-1,3- cyclobutanediol in the preferable amount from 30 to 40 mole % and 1,4-cyclohexanedimethanol in the preferable amount from 60 to 70 mole % , wherein the total mole % of the dicarboxylic acid component is 100 mole %, and the total mole % of the glycol component is 100 mote %; and the inherent viscosity of polyester is from 0.55 to 0.68 dL/g as determined in 60/40 (wt/wt) phenol/tetrachtoroethane at a concentration of 0.5 g/100 ml at 25° C., polyester has a Tg from 110 to 160° C. and polyester composition comprises no polycarbonate. The polyesters may be manufactured into articles such as fibers, films, bottles or sheets.