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. 23, 2012
Filed:
Oct. 11, 2010
Applicants:
James D. Burrington, Gates Mills, OH (US);
Gary A. Garvin, Mentor, OH (US);
Inventors:
James D. Burrington, Gates Mills, OH (US);
Gary A. Garvin, Mentor, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01M 11/03 (2006.01); B01D 27/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A additive delivery system and method which includes a additive gel, a filter and a fluid/gel chemistry exchange region, wherein the exchange region subjects the additive gel to different types or combinations of contact with the fluid in order to control the additive release rate, maintain a uniform release rate, maintain the physical integrity of the gel or combinations thereof.