DE2739844C3 - - Google Patents
Info
- Publication number
- DE2739844C3 DE2739844C3 DE2739844A DE2739844A DE2739844C3 DE 2739844 C3 DE2739844 C3 DE 2739844C3 DE 2739844 A DE2739844 A DE 2739844A DE 2739844 A DE2739844 A DE 2739844A DE 2739844 C3 DE2739844 C3 DE 2739844C3
- Authority
- DE
- Germany
- 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
-
- 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
- C14C3/04—Mineral tanning
- C14C3/06—Mineral tanning using chromium compounds
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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (24)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2739844A DE2739844B2 (de) | 1977-09-03 | 1977-09-03 | Verfahren zum Chromgerben |
| NO782789A NO149969C (no) | 1977-09-03 | 1978-08-16 | Kromgarving |
| US05/936,279 US4211529A (en) | 1977-09-03 | 1978-08-23 | Chrome-tanning |
| GB7834882A GB2003498B (en) | 1977-09-03 | 1978-08-29 | Chrome-tanning |
| MX174696A MX148869A (es) | 1977-09-03 | 1978-08-30 | Procedimiento para curtir pellejos y pieles animales al cromo |
| AU39401/78A AU516388B2 (en) | 1977-09-03 | 1978-08-30 | Chrome-tanning |
| CH912578A CH637694A5 (de) | 1977-09-03 | 1978-08-30 | Verfahren zum chromgerben. |
| NZ188305A NZ188305A (en) | 1977-09-03 | 1978-08-31 | Chrome tanning pelts pretanned with chromium (iii)salt |
| NLAANVRAGE7808959,A NL184742C (nl) | 1977-09-03 | 1978-08-31 | Werkwijze voor het chroomlooien van dierlijke vellen en huiden. |
| SE7809178A SE442875B (sv) | 1977-09-03 | 1978-08-31 | Sett vid kromgarvning av djur- och skinnhudar och garvemnesblandning |
| BR7805719A BR7805719A (pt) | 1977-09-03 | 1978-09-01 | Processo para o curtimento ao cromo de couros crus e peles de animais,couros e peles de animais e misturas de curtimento |
| YU2077/78A YU40532B (en) | 1977-09-03 | 1978-09-01 | Process for chromium tenning |
| CA310,488A CA1106108A (en) | 1977-09-03 | 1978-09-01 | Chrome-tanning |
| FR7825333A FR2401998A1 (fr) | 1977-09-03 | 1978-09-01 | Procede perfectionne pour le tannage au chrome des peaux et cuirs animaux |
| ES473036A ES473036A1 (es) | 1977-09-03 | 1978-09-01 | Procedimiento para cutir al cromo pellojos y pieles animales |
| DK388378A DK144766C (da) | 1977-09-03 | 1978-09-01 | Fremgangsmaade til chromgarvning af dyreskind og -huder |
| FI782689A FI64643C (fi) | 1977-09-03 | 1978-09-01 | Kromgarvning |
| AR273537A AR216535A1 (es) | 1977-09-03 | 1978-09-01 | Procedimiento de curtido al cromo |
| IT50931/78A IT1106294B (it) | 1977-09-03 | 1978-09-01 | Procedimento e miscela per conciare al cromo pelli animali |
| AT634978A AT360135B (de) | 1977-09-03 | 1978-09-01 | Verfahren zum chromgerben von tierischen haeuten und fellen |
| ZA00784990A ZA784990B (en) | 1977-09-03 | 1978-09-01 | Chrome-tanning |
| JP10633478A JPS5446801A (en) | 1977-09-03 | 1978-09-01 | Chrome tanning method |
| IE1765/78A IE47324B1 (en) | 1977-09-03 | 1978-09-01 | Chrome-tanning |
| HR950301A HRP950301B1 (en) | 1977-09-03 | 1995-05-22 | Process for chrome tanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2739844A DE2739844B2 (de) | 1977-09-03 | 1977-09-03 | Verfahren zum Chromgerben |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2739844A1 DE2739844A1 (de) | 1979-03-08 |
| DE2739844B2 DE2739844B2 (de) | 1980-02-28 |
| DE2739844C3 true DE2739844C3 (US20110009641A1-20110113-C00116.png) | 1987-07-09 |
Family
ID=6018100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2739844A Granted DE2739844B2 (de) | 1977-09-03 | 1977-09-03 | Verfahren zum Chromgerben |
Country Status (23)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4348201A (en) * | 1979-05-11 | 1982-09-07 | Seitetsu Kagaku Co., Ltd. | Tanning process and tanning compositions |
| JPS57100200A (en) * | 1980-12-15 | 1982-06-22 | Nippon Chemical Ind | Manufacture of chromium tanning agent |
| WO2012153203A1 (en) * | 2011-05-10 | 2012-11-15 | Council Of Scientific & Industrial Research | Chrome tanning process for leather making reusing exhaust chrome liquor |
| CN114540558A (zh) * | 2021-12-14 | 2022-05-27 | 浙江中辉裘革科技有限公司 | 一种捕获-洗脱-固定联用的除去毛皮游离甲醛方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1241032B (de) * | 1961-04-08 | 1967-05-24 | Bayer Ag | Verfahren zur Herstellung von Leder |
| DE1230170B (de) * | 1960-10-28 | 1966-12-08 | Bayer Ag | Gerbverfahren |
| FR1304531A (fr) * | 1961-10-26 | 1962-09-21 | Bayer Ag | Procédé de fabrication de cuir |
| DE1225809B (de) * | 1963-01-18 | 1966-09-29 | Bayer Ag | Gerbverfahren |
| DE1444994A1 (de) * | 1963-01-18 | 1969-01-02 | Bayer Ag | Gerbverfahren |
| US3656881A (en) * | 1969-06-02 | 1972-04-18 | Shell Oil Co | Leather lubricating process and composition |
| DE2424301C3 (de) * | 1974-05-18 | 1981-05-27 | Bayer Ag, 5090 Leverkusen | Verfahren zum Chromgerben und Gerbmischung dafür |
| DE2424300C3 (de) * | 1974-05-18 | 1984-11-08 | Bayer Ag, 5090 Leverkusen | Verfahren zum Chromgerben und Gerbmischung dafür |
| AR208085A1 (es) * | 1974-05-18 | 1976-11-30 | Bayer Ag | Procedimiento de curtido al cromo |
| US4010097A (en) * | 1975-10-09 | 1977-03-01 | Allis-Chalmers Corporation | Pneumatic classifier for refuse material with double vortex airflow |
| JPS5257301A (en) * | 1975-11-04 | 1977-05-11 | Nippon Chemical Ind | Process for tanning leather |
| DE2626430C2 (de) * | 1976-06-12 | 1982-06-03 | Bayer Ag, 5090 Leverkusen | Verfahren zum Gerben von Leder und Gerbmischung |
| DE2626429C3 (de) * | 1976-06-12 | 1981-06-19 | Bayer Ag, 5090 Leverkusen | Verfahren zum Chromgerben von Häuten oder Nachgerben von Leder in Gegenwart von Carbonsäuren als Komplexbildner |
-
1977
- 1977-09-03 DE DE2739844A patent/DE2739844B2/de active Granted
-
1978
- 1978-08-16 NO NO782789A patent/NO149969C/no unknown
- 1978-08-23 US US05/936,279 patent/US4211529A/en not_active Expired - Lifetime
- 1978-08-29 GB GB7834882A patent/GB2003498B/en not_active Expired
- 1978-08-30 CH CH912578A patent/CH637694A5/de not_active IP Right Cessation
- 1978-08-30 AU AU39401/78A patent/AU516388B2/en not_active Expired
- 1978-08-30 MX MX174696A patent/MX148869A/es unknown
- 1978-08-31 NL NLAANVRAGE7808959,A patent/NL184742C/xx not_active IP Right Cessation
- 1978-08-31 SE SE7809178A patent/SE442875B/sv not_active IP Right Cessation
- 1978-08-31 NZ NZ188305A patent/NZ188305A/xx unknown
- 1978-09-01 FR FR7825333A patent/FR2401998A1/fr active Granted
- 1978-09-01 IE IE1765/78A patent/IE47324B1/en not_active IP Right Cessation
- 1978-09-01 ZA ZA00784990A patent/ZA784990B/xx unknown
- 1978-09-01 DK DK388378A patent/DK144766C/da not_active IP Right Cessation
- 1978-09-01 IT IT50931/78A patent/IT1106294B/it active
- 1978-09-01 AR AR273537A patent/AR216535A1/es active
- 1978-09-01 BR BR7805719A patent/BR7805719A/pt unknown
- 1978-09-01 YU YU2077/78A patent/YU40532B/xx unknown
- 1978-09-01 FI FI782689A patent/FI64643C/fi not_active IP Right Cessation
- 1978-09-01 CA CA310,488A patent/CA1106108A/en not_active Expired
- 1978-09-01 JP JP10633478A patent/JPS5446801A/ja active Granted
- 1978-09-01 ES ES473036A patent/ES473036A1/es not_active Expired
- 1978-09-01 AT AT634978A patent/AT360135B/de not_active IP Right Cessation
Also Published As
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| 8281 | Inventor (new situation) |
Free format text: SPAHRKAES, HEINRICH, DR. MUELLER, JOSEF KOMAREK, ERNST, DR. LUCK, WOLFHARD, DR., 5090 LEVERKUSEN, DE |
|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |