U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Process for producing unhaired, storable hides and skins

Patent 4484924 Issued on November 27, 1984. Estimated Expiration Date: Icon_subject June 20, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

1969922

2937921

3741722

Lime-free and sulfide-free liming process
Patent #: 4229175
Issued on: 10/21/1980
Inventor: Knaflic ,   et al.

Soaking method
Patent #: 4278432
Issued on: 07/14/1981
Inventor: Monsheimer ,   et al.

Process for liming pelts of animal hides and skins Patent #: 4351639
Issued on: 09/28/1982
Inventor: Monsheimer ,   et al.

Inventors

Application

No. 06/505782 filed on 06/20/1983

US Classes:

8/94.17, Alkaline material removal8/94.15Treatment of untanned skins or hides

Examiners

Primary: Tungol, Maria Parrish

Attorney, Agent or Firm

International Class

C14C 1/00 (20060101)

Foreign Application Priority Data

1982-07-03 DE

Abstract

What is disclosed is a process for the unhairing and subsequent curing of hides and skins, which comprises washing flayed skins and hides to remove adhering dirt, then soaking said skins and hides and freeing them of hair and scud with a short term unhairing, reversing the swelling of said skins and hides and neutralizing them, and curing said skins and hides with salt, said skins and hides being mechanically fleshed either after washing or at some later time in the process as recited.

Other References

  • Kirk-Othmer, Encyclopedia of Chemical Technology, Interscience Encyclopedia, Inc., New York, vol. 8, pp. 291-295
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