FR50268E - Process for preparing tanning substances - Google Patents
Process for preparing tanning substancesInfo
- Publication number
- FR50268E FR50268E FR50268DA FR50268E FR 50268 E FR50268 E FR 50268E FR 50268D A FR50268D A FR 50268DA FR 50268 E FR50268 E FR 50268E
- Authority
- FR
- France
- Prior art keywords
- tanning substances
- preparing
- preparing tanning
- substances
- tanning
- 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
- C14C3/08—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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR50268T | 1939-03-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR50268E true FR50268E (en) | 1940-01-29 |
Family
ID=8685296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR50268D Expired FR50268E (en) | 1939-03-07 | 1939-03-07 | Process for preparing tanning substances |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR50268E (en) |
-
1939
- 1939-03-07 FR FR50268D patent/FR50268E/en not_active Expired
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