Patent · US Expired

Gum propellant grains with inhibitor coating

US3948697A · kind A · utility

15Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 11, 1973
Grant dateApr 6, 1976
Priority date
Expiry dateJul 11, 1993

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC06B45/12
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Propellant inhibitors are provided for cellulose-containing particulate solid propellants, and particularly for nitrocellulose-containing gun propellants, in which the inhibitor is the reaction product of a polyfunctional isocyanate such as polymethylene polyphenyl isocyanate and a polyol such as polyethylene glycol.

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