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. 01, 2007
Filed:
Dec. 16, 2003
Applicants:
Hoshang Subawalla, Macungie, PA (US);
Gene Everad Parris, Coopersburg, PA (US);
Madhukar Bhaskara Rao, Fogelsville, PA (US);
Christine Peck Kretz, Macungie, PA (US);
Inventors:
Hoshang Subawalla, Macungie, PA (US);
Gene Everad Parris, Coopersburg, PA (US);
Madhukar Bhaskara Rao, Fogelsville, PA (US);
Christine Peck Kretz, Macungie, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C11D 7/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
A dense cleaning fluid for removing contaminants from a substrate and a method comprising same is disclosed herein. In one embodiment of the present invention, the dense cleaning fluid comprises a dense fluid and at least one acetylenic diol or acetylenic alcohol surfactant.