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:
May. 22, 2001
Filed:
Apr. 26, 1999
Applicant:
Inventor:
Cheryl L. Senger Elsbernd, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 7/28 ;
U.S. Cl.
CPC ...
C11D 7/28 ;
Abstract
A stable fluid comprising compressed fluid carbon dioxide, an inert gas and a fluorochemical stabilizer is disclosed. The fluid composition is useful in cleaning of metals, glass, ceramics, natural and synthetic polymers, and fabrics and in the extraction of desirables substances, such as the extraction of essential oils from plants.