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. 23, 1982
Filed:
Aug. 05, 1980
Applicant:
Inventors:
Werner Schmitt, Starnberg, DE;
Robert Purrmann, Starnberg, DE;
Peter Jochum, Hechendorf, DE;
Oswald Gasser, Seefeld, DE;
Assignee:
Espe Fabrik pharmazeutischer Praparate GmbH, Seefeld, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
523116 ; 424 81 ; 433228 ; 524559 ;
Abstract
Dental glass ionomer cements are obtained by using as a mixing component for preparing the final cement mixture either a liquid mixing component comprising an aqueous solution of a certain maleic acid-acrylic acid-copolymer and optionally usual additives or a solid, powdery mixing component comprising a powder mixture of a glass ionomer cement powder and the maleic acid-acrylic acid-copolymer in solid form and optionally usual additives.