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:
Feb. 23, 2010
Filed:
Feb. 27, 2004
Applicants:
Vincent J. Gatto, Baton Rouge, LA (US);
Hassan Y. Elnagar, Baton Rouge, LA (US);
Chi Hung Cheng, Baton Rouge, LA (US);
J. Robert Adams, Baton Rouge, LA (US);
Inventors:
Vincent J. Gatto, Baton Rouge, LA (US);
Hassan Y. Elnagar, Baton Rouge, LA (US);
Chi Hung Cheng, Baton Rouge, LA (US);
J. Robert Adams, Baton Rouge, LA (US);
Assignee:
Albemarle Corporation, Baton Rouge, LA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 69/76 (2006.01); C07C 69/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A novel manufacturing process is described for producing hindered phenolic alkyl esters, which may be useful as antioxidants. This process simplifies catalyst neutralization and removal during the preparation of hindered phenolic esters. Compositions that comprise the hindered phenolic esters produced according to these methods are also described.