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:
Jun. 11, 2002
Filed:
May. 25, 2000
Applicant:
Inventor:
Robert C. Richardson, Yorba Linda, CA (US);
Assignee:
Wynn Oil Company, Azusa, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
C10M / ; C10M / ;
Abstract
A composition for cleaning and lubricating automotive air conditioners contains a polyol ester lubricant, an antiwear and extreme pressure additive, and a solvent mixture of tetrafluoroethane and 2,3-dihydroperfluoropentane. An automotive air conditioning system and a method of its cleaning and operation with the cleaning and lubricating composition present in the system are presented.
Richardson, Robert. (2002). Chemical composition for cleaning an automotive air conditioning system and method for operating and cleaning (U.S. Patent No. 6403540). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6403540
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile