Patent ID: 11912862
Assignee: EASTMAN CHEMICAL COMPANY
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  B | IPC C

Claim 2:
3. A polyester for use in metal food packaging applications, the polyester consisting essentially of residues of:
(a) 80 to 85 mole percent isophthalic acid and 20 to 15 mole percent terephthalic acid wherein the total amount of terephthalic acid and isophthalic acid in the resin equals 100 mole percent; and
(b) a blend of at least two glycols selected from 2,2,4,4-tetramethyl-1,3-cyclobutanediol, 1,4-cyclohexane dimethanol combined with at least one of 1,4-cyclohexane dimethanol, 1,3-cyclohexane dimethanol, ethylene glycol, 2-methyl 1,3-propane diol, and 1,6-hexanediol.