2. A bating liquor or bate containing enzymes of the same character as the enzymes contained in dog dung and produced by fermentation an organic acid and an alkali, or their chemical equivalent substantially as herein set forth.
3. A bating liquor or bate containing one or more enzymes of the character of the enzymes contained in dog dung, an organic acid and an alkali, or their chemical equivalent substantially as herein set forth.
4. A bating liquor or bate containing one or more enzymes of the character of the enzymes contained in dog dung, or produced from bacteria obtained from dog dung, an organic acid, and an alkali or their chemical equivalent substantially as herein set forth.
5. A bating liquor or bate containing enzymes of the same character as the enzymes contained in dog dung, two to six grm. of an organic acid to each litre of the liquid and neutralized by an alkali substantially as herein described.
6. A bating liquor or bate containing enzymes of the same character as the enzymes contained in dog dung, from two to six grm. of lactic acid to each litre of liquor and neutralized by ammonia substantially as herein described.
7. A bating liquor or bate containing enzymes of the same character as the enzymes contained in dog dung and obtained from bacteria found on the roots of hairs during the sweating process, from two to six grm. of lactic acid, and neutralized by ammonia substantially as herein set forth.
8. A bating liquor or bate containing enzymes produced from bacteria obtained from dog dung and cultivated in a medium composed of fifty parts of gelatin, one part of potassium or sodium phosphate, one part of sodium chloride and two thousand five hundred parts of water, two to six grm. of lactic acid to each litre of liquor and neutralized by the addition of ammonia substantially as herein described.
*Oropon* (German Patent 200,519, July 21, 1908).--Process for Bating Hides. Dr. Otto Röhm, Esslingen a/Neckar. In the present process, a watery extract of the pancreas in combination with ammonia or alkaline salts or mixtures of these salts is used as a bate liquor. The object of the process is to replace the dung bate. From the researches of Wood[145] also Jettmar[146] it appears that the peculiar behaviour of the dog dung bate is to be attributed to the action of enzymes in combination with organic amine compounds and ammonia salts. Starting from the assumption that other enzymes, known to have an action on hide substance, might have an analogous action to the dog dung bate, the author discovered that the trypsin of the pancreas had exactly the same bating action as the enzymes of dog dung. The action is aided by the fat-splitting enzyme of the pancreas, steapsin, which saponifies the fat in the hides.