Patent · US Expired

Fiber-reinforced cement-like material

US4199366A · kind A · utility

22Cited by

4References

7Claims

0Family size

Assignee

Inventa AG Fur Forschung und Patentverwertung · CH

Inventors

Peter Schaefer · Pfungstadt, DE
Marcel Capaul · Chur, CH
Wolfgang Griehl · Chur, CH
Peter Meier · Wädenswil, CH

Key dates

Filing date	Nov 20, 1978
Grant date	Apr 22, 1980
Priority date	—
Expiry date	Nov 20, 1998

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/91
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.