1,4-Bis-formyl cyclohexane polycarboxylic acids, process of maki

Details 1,4-Bis-formyl cyclohexane polycarboxylic acids, process of maki 1,4-Bis-formyl cyclohexane polycarboxylic acids, process of maki

1975-07-09

1977-08-23

Weinblatt, Mayer

Compositions

Dust suppressants for bulk materials, or processes of...

252 82, 252179, 252180, 210 58, 260514K, C11D 100, C02B 118, C02B 506, C07C 5300

Patent

active

040439305

ABSTRACT:
Novel 1,4-bis-formyl cyclohexane polycarboxylic acids have proved of considerable value as agents capable of preventing and inhibiting scale formation in aqueous media. Especially valuable scale formation inhibiting and complexing agents are 1,4-bis-formyl cyclohexane-1,2,3,6-tetracarboxylic acid and 1,4-bis-formyl cyclohexane-1,2,3-tricarboxylic acid. They are prepared by oxidizing the corresponding bicyclo-(2,2,2)-octene(7) polycarboxylic acid-2,3-anhydrides. The novel nitrogen- and phosphorus-free acids have a surprisingly high threshold effectiveness and can be used in detergent and cleaning solutions in combination with conventional detergents and cleaning agents.

REFERENCES:
patent: 3242206 (1966-03-01), Volkenburgh et al.
patent: 3629291 (1971-12-01), Nohe
Preparative Organic Chemistry, "Oxidative Degradation of Olefins" Weygand & Hilgetag 1973.

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