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:
Nov. 30, 1999
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Andrew D Sutton, Ruddington, GB;
Richard A Johnson, West Bridgford, GB;
Peter J Senior, Near Melbourne, GB;
David Heath, The Park, GB;
Assignee:
Quadrant Healthcare (UK) Limited, Nottingham, GB;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 941 ; 424-95 ; 424-96 ; 424 46 ; 424 943 ; 424 944 ; 424491 ; 424499 ; 514965 ;
Abstract
Microparticles of a water-soluble material, which are smooth and spherical, and at least 90% of which have a mass median particle size of 1 to 10 .mu.m, and which carry a therapeutic or diagnostic agent can successfully be used in dry powder inhalers to deliver the said agent.