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:
Dec. 28, 2004
Filed:
Apr. 24, 2002
Applicant:
Inventors:
Donald P. Jablonowski, Dunwoody, GA (US);
Thomas E. McDonald, Acworth, GA (US);
Fengqing Wu, Duluth, GA (US);
Assignee:
Furukawa Electric North America Inc, Norcross, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B 3/707 ;
U.S. Cl.
CPC ...
C03B 3/707 ;
Abstract
Dynamically controlling the reaction temperature at the tip of a soot preform by controlling the flow of hydrogen gas to the core torch provides a wide latitude of control over the temperature range necessary to produce uniform composition of the preform.