Methods for tanning animal skins
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 22, 2021
Grant Date -
Mar 14, 2019
app pub date -
Jul 13, 2016
filing date -
Jul 14, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for tanning animal skin may include: putting the animal skin in contact with a first tanning bath comprising (weight percentages referring to a pelt weight of the animal skin): water, at least one C2-C8 aliphatic dialdehyde in a quantity within a range of 2%-30%, and/or at least one non-ionic surfactant in a quantity within a range of 0.1%-20%, wherein the first tanning bath has a pH within a range of 1-5 and a density within a range of 3°Bé-10°Bé; bringing the pH of the first tanning bath to a pH greater than 5 and less than or equal to 8; and/or washing the animal skin to obtain a tanned animal skin.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2016 Application Filing Year
- C14C Class
- 22 Applications Filed
- 14 Patents Issued To-Date
- 63.64 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C14C Class
- 0 % this patent is cited more than
- 4 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Dec 22, 2024 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 22, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 22, 2032 |
