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Patent applications and USPTO patent grants for Pfleiderer; Ernst.The latest application filed is for "method for the wet degreasing of hide and skin stock".
Patent | Date |
---|---|
Method for the wet degreasing of hide and skin stock Grant 4,968,621 - Pfleiderer , et al. November 6, 1 | 1990-11-06 |
Enzymatic unhairing method Grant 4,636,222 - Pfleiderer , et al. January 13, 1 | 1987-01-13 |
Process for producing unhaired, storable hides and skins Grant 4,484,924 - Pfleiderer , et al. November 27, 1 | 1984-11-27 |
Tanning method Grant 4,443,221 - May , et al. April 17, 1 | 1984-04-17 |
CRT Method of converting and separating substances contained, dissolved or dissolvable in a carrier liquid Grant 4,436,624 - Kreuzburg , et al. March 13, 1 | 1984-03-13 |
Soaking method Grant 4,344,762 - Monsheimer , et al. August 17, 1 | 1982-08-17 |
Method for treating pelts and leather Grant 4,314,800 - Monsheimer , et al. February 9, 1 | 1982-02-09 |
Soaking method Grant 4,314,801 - Monsheimer , et al. February 9, 1 | 1982-02-09 |
Enzymatic method for hair recovery with concurrent opening of hide structure Grant 4,294,087 - Monsheimer , et al. October 13, 1 | 1981-10-13 |
Method of dissolving collagen-containing tissues Grant 4,293,647 - Monsheimer , et al. October 6, 1 | 1981-10-06 |
Method for treating raw materials containing collagen Grant 4,220,724 - Berg , et al. September 2, 1 | 1980-09-02 |
Method for dissolving collagen-containing skin tissues Grant 4,210,721 - Monsheimer , et al. July 1, 1 | 1980-07-01 |
Method for making water-soluble elastin hydrolyzates Grant 4,179,333 - Braeumer , et al. December 18, 1 | 1979-12-18 |
Method for preparing tannable pelts from animal skins and hides Grant 3,986,926 - Monsheimer , et al. October 19, 1 | 1976-10-19 |
Method for preparing tannable pelts from animal skins and hides Grant 3,966,551 - Monsheimer , et al. June 29, 1 | 1976-06-29 |
Enzymatic bating method Grant 3,939,040 - Monsheimer , et al. February 17, 1 | 1976-02-17 |
Built up engine piston Grant 3,915,141 - Ottl , et al. October 28, 1 | 1975-10-28 |
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