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. 09, 1985
Filed:
Jan. 04, 1984
Applicant:
Inventors:
John A Hubball, Meriden, CT (US);
Eugene F Barry, Nashua, NH (US);
Assignee:
The Foxboro Company, Foxboro, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55386 ; 65 301 ; 65 608 ; 2101982 ; 427230 ;
Abstract
A gas chromatographic column comprising synthetic fused silica tubing irradiated in its raw state with gamma radiation of pre-selected dosage and dosage rate. The column further comprises a stationary phase coating of cyano-silicone immobilized and stabilized by cross-linking in situ by means of further irradiation by gamma radiation.