GB147534A - Improved process for the manufacture of artificial tanning substances - Google Patents
Improved process for the manufacture of artificial tanning substancesInfo
- Publication number
- GB147534A GB147534A GB5690/20A GB569020A GB147534A GB 147534 A GB147534 A GB 147534A GB 5690/20 A GB5690/20 A GB 5690/20A GB 569020 A GB569020 A GB 569020A GB 147534 A GB147534 A GB 147534A
- Authority
- GB
- United Kingdom
- Prior art keywords
- manufacture
- improved process
- artificial tanning
- tanning substances
- caustic soda
- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/01—Sulfonic acids
- C07C309/62—Sulfonated fats, oils or waxes of undetermined constitution
-
- 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
- C14C3/08—Chemical tanning by organic agents
-
- 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
- C14C3/08—Chemical tanning by organic agents
- C14C3/14—Fat tanning; Oil tanning
-
- 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
- C14C3/08—Chemical tanning by organic agents
- C14C3/18—Chemical tanning by organic agents using polycondensation products or precursors thereof
- C14C3/20—Chemical tanning by organic agents using polycondensation products or precursors thereof sulfonated
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Fats And Perfumes (AREA)
Abstract
Anthracene oil is sulphonated by means of concentrated sulphuric acid; the sulphonated product is diluted with water, neutralized by caustic soda, or by lime followed by caustic soda, and concentrated, and constitutes a tanning agent.
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE526967X | 1918-12-24 | ||
DE137323X | 1918-12-24 | ||
DEM64578D DE386297C (en) | 1918-12-24 | 1918-12-25 | Process for the production of sulphonic acids containing sulphurous derivatives of high molecular weight aromatic hydrocarbons |
DE147534X | 1919-07-15 | ||
DE92141X | 1919-07-19 | ||
DEM66228D DE388546C (en) | 1918-12-24 | 1919-07-20 | Process for the production of sulphonic acids containing sulphurous derivatives of high molecular weight aromatic hydrocarbons |
DE148738X | 1919-07-21 | ||
DEM66235D DE458250C (en) | 1918-12-24 | 1919-07-22 | Process for the production of sulphonic acids from the acidic components of high molecular weight aromatic hydrocarbons |
Publications (1)
Publication Number | Publication Date |
---|---|
GB147534A true GB147534A (en) | 1921-05-25 |
Family
ID=60410275
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB63/20A Expired GB137323A (en) | 1918-12-24 | 1920-01-02 | Improved manufacture of artificial tanning substances |
GB5439/20A Expired GB148268A (en) | 1918-12-24 | 1920-02-23 | Improved process for the manufacture of artificial tanning substances |
GB5690/20A Expired GB147534A (en) | 1918-12-24 | 1920-02-25 | Improved process for the manufacture of artificial tanning substances |
GB5691/20A Expired GB148738A (en) | 1918-12-24 | 1920-02-25 | Improved process for the manufacture of artificial tanning substances |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB63/20A Expired GB137323A (en) | 1918-12-24 | 1920-01-02 | Improved manufacture of artificial tanning substances |
GB5439/20A Expired GB148268A (en) | 1918-12-24 | 1920-02-23 | Improved process for the manufacture of artificial tanning substances |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5691/20A Expired GB148738A (en) | 1918-12-24 | 1920-02-25 | Improved process for the manufacture of artificial tanning substances |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH92141A (en) |
DE (3) | DE386297C (en) |
FR (1) | FR526967A (en) |
GB (4) | GB137323A (en) |
-
1918
- 1918-12-25 DE DEM64578D patent/DE386297C/en not_active Expired
-
1919
- 1919-07-20 DE DEM66228D patent/DE388546C/en not_active Expired
- 1919-07-22 DE DEM66235D patent/DE458250C/en not_active Expired
- 1919-12-19 CH CH92141D patent/CH92141A/en unknown
- 1919-12-24 FR FR526967A patent/FR526967A/en not_active Expired
-
1920
- 1920-01-02 GB GB63/20A patent/GB137323A/en not_active Expired
- 1920-02-23 GB GB5439/20A patent/GB148268A/en not_active Expired
- 1920-02-25 GB GB5690/20A patent/GB147534A/en not_active Expired
- 1920-02-25 GB GB5691/20A patent/GB148738A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB148738A (en) | 1921-05-05 |
GB137323A (en) | 1921-05-02 |
DE386297C (en) | 1923-12-07 |
DE388546C (en) | 1924-01-15 |
GB148268A (en) | 1921-05-05 |
CH92141A (en) | 1921-12-16 |
DE458250C (en) | 1928-04-02 |
FR526967A (en) | 1921-10-17 |
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