Colgate-Palmolive-Peet

H. G. Kirshner (assigned to Colgate-Palmolive Peet Company, Jersey City, New Jersey), U.S. Patent 2,389,260, 1945. 

Fatty Acids. The above process is an old and direct method by which to make soap but if fatty acids are wanted, and their use is increasing, the addition of alkali must be avoided unless subsequent treatment with acid at additional expense iis to be incurred. For making these fatty acids several processes may be used, the autoclave and the traditional Twitched method, which are batch operations, and the more modem continuous-countercurrent procedures developed by Colgate-Palmolive-Peet and by The Procter Gamble Company. Darkening of the resulting products from this type of operation is retarded by the use of hydroxy aromatic compounds as stabilizers. ... 

---