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. 22, 1980
Filed:
Nov. 20, 1978
Applicant:
Inventors:
Peter Schaefer, Flims, CH;
Marcel Capaul, Chur, CH;
Wolfgang Griehl, Chur, CH;
Peter Meier, Domat-Ems, CH;
Assignee:
Inventa AG fur Forschung und Patentverwertung, Zurich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106 90 ; 106 97 ; 106 99 ; 106104 ; 106107 ; 106109 ; 106111 ;
Abstract
The present invention provides for a novel fiber-reinforced cement-like material which is characterized by having short polyvinyl alcohol fibers in an amount of at least 2 volume % based on the total volume of said material. These fibers have an elongation at break of between about 4 and 8% and a modulus of more than 130 g/dtex. A process for the preparation of said material is also disclosed.