GB1145359A - A depilation process - Google Patents
A depilation processInfo
- Publication number
- GB1145359A GB1145359A GB14281/66A GB1428166A GB1145359A GB 1145359 A GB1145359 A GB 1145359A GB 14281/66 A GB14281/66 A GB 14281/66A GB 1428166 A GB1428166 A GB 1428166A GB 1145359 A GB1145359 A GB 1145359A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solution
- chlorite
- skins
- hides
- added
- 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
- 230000035617 depilation Effects 0.000 title 1
- 239000000243 solution Substances 0.000 abstract 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 4
- 229910001919 chlorite Inorganic materials 0.000 abstract 4
- 229910052619 chlorite group Inorganic materials 0.000 abstract 4
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 abstract 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- 229910052783 alkali metal Inorganic materials 0.000 abstract 2
- 150000001340 alkali metals Chemical class 0.000 abstract 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 abstract 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 abstract 1
- 241000283690 Bos taurus Species 0.000 abstract 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 abstract 1
- -1 ammonium sulphate Chemical class 0.000 abstract 1
- 239000001166 ammonium sulphate Substances 0.000 abstract 1
- 235000011130 ammonium sulphate Nutrition 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 244000309466 calf Species 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 235000019253 formic acid Nutrition 0.000 abstract 1
- 159000000011 group IA salts Chemical class 0.000 abstract 1
- 210000004209 hair Anatomy 0.000 abstract 1
- 150000007522 mineralic acids Chemical class 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 150000007524 organic acids Chemical class 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 abstract 1
- 229960002218 sodium chlorite Drugs 0.000 abstract 1
- 229960001922 sodium perborate Drugs 0.000 abstract 1
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
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
- C14C1/00—Chemical treatment prior to tanning
- C14C1/06—Facilitating unhairing, e.g. by painting, by liming
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Cosmetics (AREA)
Abstract
1,145,359. Depilating hides and skins. DEUTSCHE GOLD-UND SILBER SCHEIDEANSTALT. March 31, 1966 [April 8, 1965], No.14281/66. Heading C6C. In a process for depilating hides and skins, e.g. cow hides or calf skins, they are treated, e. g. for 15 to 20 hours in a slowly rocking tub, with an acidified, aqueous solution of a chlorite, e. g. a solution containing 300 g. of sodium chlorite per litre, to which solution is added a percompound, and, after hairs and/or bristles have been completely oxidized, a neutral salt, such as ammonium sulphate, or a weakly alkaline salt, such as sodium bicarbonate, is added to the chlorite solution, or applied directly to the oxidized hides or skins, e.g. after the solution has been drained off. The per-compound may be an alkali metal perborate, such as sodium perborate, or hydrogen peroxide, or a hydrogen peroxide addition compound. Twenty-five per cent of an alkali metal perborate, based on the weight of dissolved chlorite may be added to the solution. An organic acid preferably formic or acetic acid, and/or an inorganic acid, e. g. sulphuric or phosphoric acid, may be used to acidify the chlorite solution.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DED0046987 | 1965-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1145359A true GB1145359A (en) | 1969-03-12 |
Family
ID=7050102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB14281/66A Expired GB1145359A (en) | 1965-04-08 | 1966-03-31 | A depilation process |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3445178A (en) |
| BE (1) | BE679081A (en) |
| ES (1) | ES325059A1 (en) |
| FR (1) | FR1474603A (en) |
| GB (1) | GB1145359A (en) |
| NL (1) | NL6603805A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5376042A (en) * | 1991-06-19 | 1994-12-27 | Peroxidos Do Brasil Ltd. | Process for the depilation of animal skins |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4204992A (en) * | 1977-08-29 | 1980-05-27 | Avicon, Inc. | Method for preparing pyrogen free collagen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1230517B (en) * | 1963-08-17 | 1966-12-15 | Hoechst Ag | Process for depilation and loosening of skins and fur |
-
1966
- 1966-03-23 NL NL6603805A patent/NL6603805A/xx unknown
- 1966-03-31 GB GB14281/66A patent/GB1145359A/en not_active Expired
- 1966-04-02 ES ES0325059A patent/ES325059A1/en not_active Expired
- 1966-04-05 FR FR56527A patent/FR1474603A/en not_active Expired
- 1966-04-05 BE BE679081D patent/BE679081A/xx unknown
- 1966-04-07 US US540856A patent/US3445178A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5376042A (en) * | 1991-06-19 | 1994-12-27 | Peroxidos Do Brasil Ltd. | Process for the depilation of animal skins |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1474603A (en) | 1967-03-24 |
| ES325059A1 (en) | 1967-01-01 |
| BE679081A (en) | 1966-09-16 |
| US3445178A (en) | 1969-05-20 |
| NL6603805A (en) | 1966-10-10 |
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