Special receptacle or package – For holding a machine readable recording medium – For holding a grooved phonograph disc
Patent
1972-12-04
1976-04-20
Love, Ethel G.
Special receptacle or package
For holding a machine readable recording medium
For holding a grooved phonograph disc
21 605A, 206 84, 220 65, 260561N, 526 62, 526 77, 526 90, 526201, 526303, A61L 1300, C07C10308
Patent
active
039516008
ABSTRACT:
There is disclosed a method for handling acrylamide aqueous solutions with safety wherein acrylamide aqueous solutions obtained through catalytic hydration reaction of acrylonitrile are handled using utensils made from phenol resin, polyethylene, polypropylene, polyvinylchloride resin or fluorine-containing resin or glass or using such utensils that are provided with linings formed by these materials.
REFERENCES:
patent: 2914169 (1959-11-01), Moore
patent: 2982396 (1961-05-01), Shihadeh
patent: 3598269 (1971-08-01), Carmen
patent: 3615710 (1971-10-01), Lee
patent: 3670020 (1972-06-01), Moore
patent: 3671607 (1972-06-01), Lee
patent: 3720340 (1973-03-01), Lee
patent: 3758578 (1973-09-01), Habermann et al.
Asano Shiro
Honda Tadatoshi
Tsuchiya Ryoji
Yoshimura Kiyotaka
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