US 4940497
EMULSION EXPLOSIVE COMPOSITION CONTAINING EXPANDED PERLITE
Assignee
ATLAS POWDER COMPANY
Filed
Dec 14, 1988
Granted
Jul 10, 1990
Location
NEW TRIPOLI PA US
Abstract
A water-in-oil emulsion explosive composition having a void-providing agent consisting of expanded perlite is provided. The water-in-oil emulsion explosive composition comprising a continuous phase of carbonaceous fuel, an emulsifier, a dispersed phase of an aqueous solution of inorgnaic oxidizer, and expanded perlite having a density of less than 0.60 g/cc and preferably of from about 0.23 g/cc to about 0.45 g/cc.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
May 23, 1989
Rescinded
Jan 19, 1990
Duration
8 months
Inventor
- 1CATHARINE L. VAN OMMEREN
Record Details
- Patent number
- US 4940497
- Application
- 07284076
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
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ATLAS POWDER COMPANYBack to patent indexSource: USPTO 35 USC §181 secrecy order records