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. 12, 1999
Filed:
Oct. 06, 1997
Applicant:
Inventors:
George Oleg Voloshin, San Diego, CA (US);
Robert Sam Zorich, Carlsbad, CA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ; B08B / ;
U.S. Cl.
CPC ...
134 981 ; 1341022 ; 1341041 ; 134105 ; 1341 / ; 1341 / ;
Abstract
Apparatus and process for solvent purging a process line of process chemical in a process chemical delivery system typically used to dispense toxic chemicals from replaceable process chemical containers in the electronic fabrication industry.