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:
Sep. 03, 2002
Filed:
Feb. 14, 2000
Applicant:
Inventors:
Assignee:
Nycomed Imaging AS, Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 4/900 ; B01F 1/700 ;
U.S. Cl.
CPC ...
A61K 4/900 ; B01F 1/700 ;
Abstract
The invention provides a process for the preparation of gas-containing vesicles wherein a mixture of gas, liquid and vesicle membrane forming material is passed through a zone in which it is subject to shear forces exerted by surfaces moving relative to each other at a speed of at least 20 m/s.