Patent · US Expired

Molded article made of a composite material including metals and nonmetallic substances

US4861638A · kind A · utility

5Cited by
2References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 3, 1988
Grant dateAug 29, 1989
Priority date
Expiry dateJun 3, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/237
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A composite material of metals and nonmetallic substances exhibits the following structure: PA0 (a) a first material of high mechanical strength and PA0 (b) a second material of high oxidation-resistance, both at elevated temperatures are arranged so that the latter completely envelopes the former.

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