Benzofuranones

Details Benzofuranones Benzofuranones

1993-09-14

1995-02-14

Hess, B. Hamilton

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428195, 428913, 428914, B41M 5035, B41M 538

Patent

active

053895975

ABSTRACT:
A benzofuranone of the Formula (1): ##STR1## wherein: R.sup.1 and R.sup.2 are each independently --H or optionally substituted C.sub.1-20 -alkyl;

REFERENCES:
patent: 4704458 (1987-11-01), Takeda et al.
patent: 4985396 (1991-01-01), Kawakami et al.

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