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. 23, 1999
Filed:
May. 18, 1999
Applicant:
Inventor:
Dale E Van Sickle, Kingsport, TN (US);
Assignee:
Eastman Chemical Company, Kingsport, TN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C08G / ; C03C / ;
U.S. Cl.
CPC ...
549349 ; 549350 ; 523160 ; 528272 ; 526915 ;
Abstract
Monoesters and macrocyclic diesters of 2,2,4-trimethyl-1,3-pentanediol and phthalic acid or a derivative thereof are described. Methods by which such monoesters and diesters may be prepared are also described. The mono- and diesters according to the invention are useful in the preparation of clear, hard thermoplastic polymers. The thermoplastic polymers are useful in coatings, inks, reinforced plastics and packaging materials.