Patent · US Expired

Moulding materials

US4623691A · kind A · utility

1Cited by
6References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 1, 1985
Grant dateNov 18, 1986
Priority date
Expiry dateMay 1, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2361/20
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

An amino-formaldehyde moulding composition is made by compounding together PA0 an aqueous amino-formaldehyde resin solution to provide 0 to 90 percent by weight of the resin component of the composition, filler to make up 20 to 60 percent by weight of the moulding composition and PA0 UF resin which had a low degree of condensation, is solid at room temperature, contains a modifier and makes up 4 to 80 percent by weight of the moulding composition. The moulding compositions themselves are also claimed.

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