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. 28, 1987
Filed:
Mar. 04, 1985
Applicant:
Inventors:
William M Allen, Reading, GB;
Bernard F Sansom, Newbury, GB;
Alan D Wilson, Liphook, GB;
Havard J Prosser, Royston, GB;
David M Groffman, Harrow, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424486 ; 424485 ; 424127 ; 424131 ; 424140 ; 424141 ; 424143 ; 424145 ; 424147 ; 424144 ; 514499 ; 514500 ;
Abstract
A sustained release device which comprises a source of at least one trace chemical element incorporated in a cement and releasable therefrom on contact with an aqueous medium. A preferred cement is copper phosphate cement.