Carboxylic acid of cyclopentadiene derivative, salt thereof, or

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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162168R, 162168N, 260 297R, 260 783UA, 260473F, 526 111, 526 94, 526201, 526202, 526340, 560 1, 560 57, 560 59, C08G 200, C08G 218, C08G 1000

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040481476

ABSTRACT:
A novel compound represented by the formula, ##STR1## WHEREIN R is a hydrogen or an alkyl group having 1 to 3 carbon atoms, said four R's being the same or different; R.sup.1 is hydrogen, an alkali metal, an ammonium group, a mono-to tetra-hydric aliphatic alcohol moiety having 1 to 12 carbon atoms, or an organic amine residue; n is an integer of 1 to 4; and R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are independently hydrogen or alkyl groups having 1 to 6 carbon atoms or R.sup.2 and R.sup.3 may form a ring when taken together. Said novel compound has properties similar to those of natural rosin or a disproportionated rosin, and is useful as a vehicle for coating compositions and printing inks, as an emulsifier for emulsion polymerization, and as a sizing agent.

REFERENCES:
patent: 2494758 (1950-01-01), Hartough et al.
patent: 3437634 (1969-04-01), Veuse
patent: 3448082 (1969-06-01), McGraft et al.
patent: 3898201 (1975-08-01), Ishibe et al.
patent: 3957736 (1976-05-01), Tsuchiya et al.

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