Polysulfonic acids

Details Polysulfonic acids Polysulfonic acids

1988-05-23

1993-09-21

Garvin, Patrick P.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

502168, 562 23, 423 10, 534 15, 534 11, 556 18, 556 19, 556 20, B01J 3100

Patent

active

052469018

ABSTRACT:
This invention provides novel compositions comprising aryl phosphonic or phosphinic acids substituted with more than one sulfo radical. These novel compounds may be reacted with tetravalent metal ions to provide polymers having an inorganic backbone, which polymers are useful as acid catalysts.

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CA 51:18004c (1957).
CA 51:8138b (1957).
Gilbert et al., "Sulfonation and Sulfation with Sulfur Trioxide"; Ind. & Eng. Chem., vol. 45, No. 2065 (1953).

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