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:
Oct. 14, 1986
Filed:
Jan. 30, 1986
Applicant:
Inventors:
Robert W Lenz, Amherst, MA (US);
Dean T Behm, Yorktown Heights, NY (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528191 ; 528176 ; 528194 ;
Abstract
Thermotropic polymers containing ester linkages and having liquid crystalline properties in the molten state are prepared with certain aromatic diols, such as tetramethyl dihydroxy biphenyls having halogen substituents meta to the oxygen atoms.