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:
Apr. 19, 1994
Filed:
Jun. 30, 1992
Applicant:
Inventors:
James A Condron, Hurricane, WV (US);
Edmond J Derderian, Charleston, WV (US);
Alan E Wang, Chicago, IL (US);
Assignee:
Union Carbide Chemicals & Plastics Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ; B05C / ;
U.S. Cl.
CPC ...
427-8 ; 427421 ; 427426 ; 118688 ; 118663 ; 366152 ; 366160 ; 366161 ; 137-3 ; 137 10 ;
Abstract
A process for delivering a predetermined ratio of a compressible fluid and a non-compressible fluid which comprises the measurement of only the flowrate of the compressible fluid, the activation of an air-driven positive displacement pump at appropriate times, the pumping of a non-compressible fluid with the air-driven pump, mixing the supercritical fluid and non-compressible fluid and depositing the mixture onto a substrate.