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. 20, 2004
Filed:
Sep. 25, 2001
Applicant:
Inventor:
Thomas Hofmann, Niederweningen, CH;
Assignee:
MBT Holding AG, Zurich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 2/412 ;
U.S. Cl.
CPC ...
C04B 2/412 ;
Abstract
An accelerating admixture for sprayed concrete comprises: (a) the reaction product of aluminium hydroxide with an organic acid; (b) aluminium sulphate; and (c) at least one alkanolamine. Concrete to which accelerator has been added sets rapidly.