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:
Jan. 06, 1981
Filed:
Dec. 02, 1977
Applicant:
Inventor:
William D Potter, Bishop's Stortford, GB;
Assignee:
Smith & Nephew Research Limited, Harlow, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 260 4218 ; 260 4229 ;
Abstract
Cements for medical or industrial purposes contain watersoluble borate or phosphate glasses including multivalent ions e.g. zinc, aluminium or calcium and a poly (carboxylic acid) such as polyacrylic acid. As the glass dissolves ions or other reactive species crosslink the polymer.