Patent · US Active

Skylights and windows comprising polyester compositions formed from 2,2,4,4,-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol

US7868128B2 · kind B2 · utility

8Cited by

227References

37Claims

0Family size

Assignee

Eastman Chemical Company · US

Inventors

Emmett Dudley Crawford · Kingsport, US
Douglas Stephens McWilliams · Kingsport, US
David Scott Porter · Middlebury, US
Gary Wayne Connell · Church Hill, US

Key dates

Filing date	Mar 28, 2006
Grant date	Jan 11, 2011
Priority date	—
Expiry date	Aug 9, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31786
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Described are skylights comprising polyester compositions comprising polyesters which comprise (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues or ester residues thereof; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.