Process for preparing alcohol soluble condensates of abietic aci

Details Process for preparing alcohol soluble condensates of abietic aci Process for preparing alcohol soluble condensates of abietic aci

1977-01-24

1978-12-05

Schain, Howard E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260112B, 260112R, 260121, 424 47, 424 70, 424 71, A23J 110, C07G 700

Patent

active

041285433

ABSTRACT:
Resin-forming condensates of abietic acid and a protein hydrolysate are prepared which are completely soluble in absolute alcohol at a concentration of about 2 percent. An aqueous solution of a water soluble salt of a condensate of abietic acid with a protein hydrolysate is acidified from a pH above about 6 to a pH in the range of about 4 to 5 to precipitate a portion of the condensate while leaving another portion thereof in solution. The precipitated portion of the condensate is the alcohol soluble product of the process.

REFERENCES:
patent: 2100090 (1937-11-01), Sommer et al.
patent: 2151241 (1939-03-01), Sommer et al.
patent: 2440555 (1948-04-01), Omohundro et al.
patent: 3954725 (1976-05-01), Johnsen et al.
Lamepon PA-TR, Chemische Fabrik.

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