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:
Feb. 04, 1992
Filed:
Apr. 17, 1990
Applicant:
Inventor:
Keigo Goshiki, Saitama, JP;
Assignee:
Junkosha Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ; A61M / ;
U.S. Cl.
CPC ...
424423 ; 424-4 ; 424653 ; 524408 ; 524430 ; 524434 ; 524545 ; 524546 ; 524590 ; 604280 ;
Abstract
A tube comprises a wall formed from thermoplastic material. The wall is provided with an X-ray opaque agent comprised of a white bismuth compound mixture of bismuth oxide and a white bismuth salt such as bismuth nitrate and bismuth sulfate, the bismuth compound mixture having a bismuth content of 83 to 88% by weight.