| |
 |
Rockwood Systems Corporation Patents |
|
Assignee: Rockwood Systems Corporation
Address: Lancaster, TX
No. of patents: 4
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4836939 |
Stable expandable foam & concentrate & method |
June 6, 1989 |
| A stable aqueous foam concentrate for use in the generation of a stable aqueous foam having an expansion ratio of between 10:1 to as high as 1000:1 or more includes an anionic surfactant material of a chain length of between C12 to C14, a glycol or mixtures thereof, a fatty alcohol of |
| 4589341 |
Method for explosive blast control using expanded foam |
May 20, 1986 |
| An improved method of blast suppression involves forming an expanded foam barrier maintained in position by a barrier element which, in a preferred form, is inflated and maintained inflated by the foam used to form the foam barrier. Various barrier structures and methods are disclosed fo |
| 4541947 |
Method for crowd and riot control |
September 17, 1985 |
| An improved riot and crowd control interdiction method involves forming, in a defined location, a foam barrier which effectively inhibits passage through the barrier. Other anti-personnel devices may be placed and obscured by the foam barrier. Various barriers and methods to form a c |
| 3934604 |
Proportioning apparatus |
January 27, 1976 |
| Proportioning apparatus comprising a pair of coaxial tubular members with passages having first and second outwardly extending walls of the same cross-sectional configuration, first and second valve bodies for coaction with said walls for progressively opening and closing said passages, |
|
|
|
