Patent · US Expired

New phenolic resin compositions

US4912178A · kind A · utility

5Cited by
3References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 6, 1987
Grant dateMar 27, 1990
Priority date
Expiry dateNov 6, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/67
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Phenolic resin compositions. Phenolic resin compositions containing an additive consisting of at least 20% by weight of an alkaline or alkaline-earth metaborate relative to the total weight of the additive. Applications to the manufacture of phenolic prepreg mats which are stable in storage.

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