Patent · US Expired

Ceramic fibers, and methods, machines and compositions of matter for making same

US5605870A · kind A · utility

34Cited by
11References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 19, 1994
Grant dateFeb 25, 1997
Priority date
Expiry dateMay 19, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B35/62227
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A free formed ceramic filament has a small, uniform diameter throughout and is substantially 100% dense, made from a material which exhibits a viscosity of less than 10 poise and has a physical structure that is partially amorphous with the balance, made up of complex crystals which are less than about 5 microns or substantially made up of complex crystals which are less than substantially 5 microns and has an outer surface which is substantially smooth throughout, except for a substantially linear matt surfaced line, which extends longitudinally along the outer surface of the filament.

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