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:
Jul. 15, 1997
Filed:
Apr. 27, 1995
Applicant:
Inventors:
John Y Lee, Baton Rouge, LA (US);
Meng-Sheng Ao, Baton Rouge, LA (US);
Stephen E Belmont, Baton Rouge, LA (US);
Lawrence H Shepherd, Jr, Baton Rouge, LA (US);
Assignee:
Albemarle Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
585664 ; 585601 ; 585669 ; 585377 ; 585324 ; 585 23 ; 585350 ;
Abstract
Exo-isomers of polyalkylcyclopentadienes are converted to endo-isomers by contacting the exo-isomers with an acid such as aqueous HCl.