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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 4278432 | Soaking method What is disclosed is a method for soaking skins or hides which comprises soaking said skins or hides in an acid bath containing at least one compound selected from the group of compounds having one of the formulas R--SH and ##STR1## wherein R is alky... | 07/14/1981 |
| 4229175 | Lime-free and sulfide-free liming process A continuous liming process using sodium hydroxide solution and sodium sulfate and/or sodium salts of dicarboxylic acids, instead of conventional liming components.... | 10/21/1980 |
| 4224029 | Exotic leather, method of processing same, and method of processing domestic fowl It has been found that domestic turkeys raised for food processing may be skinned with feathers on for processing the skin into exotic leather having areas or patterns of raised folicles, or puckered portions with such patterned areas themselves displayin... | 09/23/1980 |
| 4222741 | Method of processing mechanically removed porcine skins for ultimate gelatin or leather production A process for treatment of mechanically removed porcine skins for the production of edible gelatin or of both gelatin and leather, the present invention provides a step-wise method for chemical dehairing and degreasing of the skin, which method offers an ... | 09/16/1980 |
| 4175922 | Dehairing skin and hide Process for dehairing skin and hide with mercapto compounds in the presence of an alkaline medium in a short liquor.... | 11/27/1979 |
| 3997290 | Process to separate and recover the solid and liquid phases from treatment baths of hides and skins The present invention provides a process to separate and recover the solid and liquid phases from treatment baths of hides and skins. The solid phase contains valuable components used in a variety of industries providing a wide field of industrial applica... | 12/14/1976 |
| 3939040 | Enzymatic bating method A method for bating soaked, limed, dehaired hides with an enzyme mixture of (a) a bacterial protease having an optimum efficacy toward hemoglobin at a pH from 10 to 12 and (b) a fungus protease having an optimum efficacy toward casein at a pH greater than... | 02/17/1976 |
