Non-hygroscopic crystals of p-aminomethylbenzoic acid and proces

Details Non-hygroscopic crystals of p-aminomethylbenzoic acid and proces Non-hygroscopic crystals of p-aminomethylbenzoic acid and proces

1997-08-26

1998-07-07

Geist, Gary

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C07C22900

Patent

active

057771588

ABSTRACT:
The novel non-hygroscopic crystals of p-aminomethylbenzoic acid can be obtained by heating hygroscopic crystals of p-aminomethylbenzoic acid with keeping the hygroscopic crystals in contact with moisture to transit the hygroscopic crystals to non-hygroscopic crystals.
The non-hygroscopic crystals of p-aminomethylbenzoic acid can be particularly advantageously handled in the atmosphere as compared with the conventional hygroscopic crystals. Especially when the p-aminomethylbenzoic acid is used for the non-aqueous reaction, the crystals of the invention are exceptionally advantageous from the viewpoints of removal of moisture and humidity control.

REFERENCES:
patent: 3859342 (1975-01-01), Fukumi et al.
Database Caplus, DN 68:59307. (Kazmirowski et al., P-aminomethylbenzoic acid, East German patent DD 55034, Abstract), Apr. 5, 1967.

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