Patent · US Expired

Mold release agent

US4308063A · kind A · utility

30Cited by
4References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 29, 1981
Grant dateDec 29, 1981
Priority date
Expiry dateJan 29, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10M2229/051
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A composition in the form of a solution or dispersion which includes a perfluoroalkyl group-containing phosphoric acid ester of the formula EQU (R.sub.f XO).sub.n PO(OH).sub.3-n (wherein R.sub.f represents a perfluoroalkyl group containing from 4 to 20 carbons, X represents a divalent organic residue and n is an integer from 1 to 3) and an additive which is a surface active agent, a silicone oil, a highly fluorinated organic compound, a wax or a mixture thereof, the composition being useful for imparting mold releasing properties to a mold.

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