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:
Jan. 11, 2000
Filed:
Feb. 13, 1998
Applicant:
Inventors:
Munmaya K Mishra, Richmond, VA (US);
Yoon S Song, Richmond, VA (US);
Akhilesh Duggal, Midlothian, VA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
525299 ; 525301 ; 525305 ; 525309 ; 525250 ; 526174 ; 526183 ; 5263184 ; 526331 ; 526 64 ;
Abstract
A continuous process for the preparation of linear, branched and star-polymers via anionic polymerization of acrylic monomers, linear, branched and star-polymers obtained by the process and lubricating oil compositions thereof.