Compositions – Inorganic luminescent compositions – Tungsten containing
Patent
1984-02-10
1985-09-17
Lovering, Richard D.
Compositions
Inorganic luminescent compositions
Tungsten containing
169 46, 252 3, 261DIG26, B01J 1300
Patent
active
045419477
ABSTRACT:
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 contained interdiction foam barrier are disclosed.
REFERENCES:
patent: 3186490 (1965-06-01), Jamison et al.
patent: 3578590 (1971-05-01), Nieneker et al.
patent: 3814808 (1974-06-01), Schwendeman et al.
patent: 4203974 (1980-05-01), Brown, Jr. et al.
Bennett Edward M.
Clark Charles J.
Lovering Richard D.
Rockwood Systems Corporation
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