Research/Patents/US 5155281
US 5155281Tier 3 — General Defense

PREPARING DICHLORO FORMALS

Assignee

US Government

Filed as: UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY, THE

Filed

Jun 1, 1984

Granted

Oct 13, 1992

Location

ADELPHI MD US

Abstract

A method of preparing dichloroformals of the formula (RCH.sub.2 O).sub.2 CCl.sub.2 by reaction of one mole of a thionocarbonate of the formula (RCH.sub.2 O).sub.2 C═S with two moles of benzenesulfenyl chloride, chlorobenzenesulfenyl chloride,r methanesulfenyl chloride wherein R is --C(NO2)3, --CF(NO2)2, --CF2 (NO2), --CCl(NO2)2, --C(NO2)2 CH3, --CCl3, --CF3, or --CF2 CF3. These energetic dichloroformals are useful as explosive and propellant ingredients and as intermediates in the synthesis of other energetic explosive and propellant ingredients.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Jun 19, 1987

Rescinded

Apr 30, 1992

Duration

4 years, 10 months

Inventor

  • 1MICHAEL E. SITZMANN
Back to patent indexSource: USPTO 35 USC §181 secrecy order records