ES327572A1 - Procedure for the rapid cutting of heavy and heavy hidden. (Machine-translation by Google Translate, not legally binding) - Google Patents
Procedure for the rapid cutting of heavy and heavy hidden. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES327572A1 ES327572A1 ES0327572A ES327572A ES327572A1 ES 327572 A1 ES327572 A1 ES 327572A1 ES 0327572 A ES0327572 A ES 0327572A ES 327572 A ES327572 A ES 327572A ES 327572 A1 ES327572 A1 ES 327572A1
- Authority
- ES
- Spain
- Prior art keywords
- tanning agents
- acids
- tanning
- heavy
- skins
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/28—Multi-step processes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
"Procedure for the rapid tanning of light and heavy leathers", by means of deliming and, if necessary, pre-tanning with 1) chrome tanning agents or 2) with chromium complex tanning agents or 3) with mixtures of chromium tanning agents and tanning agents) synthetics and/or) naphthalenesulphonic acids and/or c) condensation products of naphthalenesulfonic acids and formaldehyde and/or sulphite-laxative and tanning termination with vegetable tanning agents and, where appropriate, synthetic tanning agents, characterized in that the skins are green, if appropriate de-escalated and etched in the usual manner, mineral acids or reaction salts are acidified with mineral acids in aqueous solution and salts of the naphthalenesulfonic acids, if appropriate in the presence of neutral inorganic salts soluble in water and of carboxylic acids, the acids being used here in a quantity so that the skins in green throughout the section have, at the end of the treatment, a pH of less than approx. 6.5, preferably 3.0-3.6, and that the acid-rich green skins are pre-tanned with the chromium tanning agents 1) to 3) and finished with vegetable and/or synthetic tanning agents. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF0046273 | 1965-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES327572A1 true ES327572A1 (en) | 1967-03-16 |
Family
ID=7100941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0327572A Expired ES327572A1 (en) | 1965-06-05 | 1966-06-04 | Procedure for the rapid cutting of heavy and heavy hidden. (Machine-translation by Google Translate, not legally binding) |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3482925A (en) |
| BE (1) | BE678140A (en) |
| CH (1) | CH471223A (en) |
| DE (1) | DE1494841C3 (en) |
| ES (1) | ES327572A1 (en) |
| GB (1) | GB1099448A (en) |
| NL (1) | NL6607755A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3888625A (en) * | 1973-01-29 | 1975-06-10 | Chemtan Company | Method of chrome-retanning leather |
| US4348201A (en) * | 1979-05-11 | 1982-09-07 | Seitetsu Kagaku Co., Ltd. | Tanning process and tanning compositions |
| CN116732254B (en) * | 2023-07-05 | 2024-10-25 | 隆丰革乐美时尚有限公司 | Production process of grain-face suede double-sided leather |
-
1965
- 1965-06-05 DE DE1494841A patent/DE1494841C3/en not_active Expired
-
1966
- 1966-02-07 CH CH165766A patent/CH471223A/en not_active IP Right Cessation
- 1966-02-08 US US525864A patent/US3482925A/en not_active Expired - Lifetime
- 1966-03-21 BE BE678140D patent/BE678140A/xx unknown
- 1966-05-26 GB GB23659/66A patent/GB1099448A/en not_active Expired
- 1966-06-03 NL NL6607755A patent/NL6607755A/xx unknown
- 1966-06-04 ES ES0327572A patent/ES327572A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3482925A (en) | 1969-12-09 |
| CH471223A (en) | 1969-04-15 |
| DE1494841C3 (en) | 1975-04-17 |
| GB1099448A (en) | 1968-01-17 |
| BE678140A (en) | 1966-09-01 |
| DE1494841B2 (en) | 1973-11-29 |
| DE1494841A1 (en) | 1969-12-04 |
| NL6607755A (en) | 1966-12-06 |
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