Aryl sulfonate-aldehyde composition and process for its preparat

Compositions – Magnetic – With wax – bitumen – resin – or gum

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252 6252, G01N 2782, H01F 100

Patent

active

040186911

ABSTRACT:
A process for the preparation of aryl sulfonate-aldehyde condensate compositions having magnetic properties which may be water-soluble and compositions thereof are described.

REFERENCES:
patent: 2304308 (1942-12-01), Hurd
patent: 2694656 (1954-11-01), Camras
patent: 3344063 (1967-09-01), Stratton
patent: 3546107 (1970-12-01), Benko
patent: 3586630 (1971-06-01), Ingersoll
patent: 3634252 (1972-01-01), Graham
patent: 3635819 (1972-01-01), Kaiser
patent: 3843540 (1974-10-01), Reimers et al.

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