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:
Mar. 14, 1978
Filed:
Apr. 30, 1975
Applicant:
Inventors:
Joachim Ribka, Offenbach am Main-Burgel, DT;
Otto Trosken, Frankfurt am Main, DT;
Karlfried Keller, Bergen-Enkheim, DT;
Erwin Herrmann, Frankfurt am Main, DT;
Wolfgang Bodenstedt, Frankfurt am Main, DT;
Peter Dorries, Frankfurt am Main, DT;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
260 49 ; 260 293 ; 260 38 ; 260 / ;
Abstract
Spreadability and/or strength of water-setting inorganic bonding compositions are improved by incorporating in them a water-soluble condensation product of formaldehyde with a diphenol ##STR1## The condensation can also take place in the presence of a water-soluble sulfite, a water-soluble sulfamate, a water-soluble pyrosulfite, a phenol sulfonic acid or a naphthalene sulfonic acid.