CH562321A5 - - Google Patents
Info
- Publication number
- CH562321A5 CH562321A5 CH226772A CH226772A CH562321A5 CH 562321 A5 CH562321 A5 CH 562321A5 CH 226772 A CH226772 A CH 226772A CH 226772 A CH226772 A CH 226772A CH 562321 A5 CH562321 A5 CH 562321A5
- Authority
- CH
- Switzerland
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
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- 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)
- Phenolic Resins Or Amino Resins (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712113096 DE2113096A1 (de) | 1971-03-18 | 1971-03-18 | Wasserloesliche synthetische Gerbstoffe |
Publications (1)
Publication Number | Publication Date |
---|---|
CH562321A5 true CH562321A5 (it) | 1975-05-30 |
Family
ID=5801960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH226772A CH562321A5 (it) | 1971-03-18 | 1972-02-17 |
Country Status (9)
Country | Link |
---|---|
US (1) | US3973904A (it) |
BE (1) | BE780856A (it) |
BR (1) | BR7201569D0 (it) |
CH (1) | CH562321A5 (it) |
DE (1) | DE2113096A1 (it) |
ES (1) | ES400920A1 (it) |
FR (1) | FR2129711A5 (it) |
GB (1) | GB1380974A (it) |
IT (1) | IT952062B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4074968A (en) * | 1976-04-15 | 1978-02-21 | Diamond Shamrock Corporation | Retanning and fatliquoring agent |
CH603796A5 (it) * | 1976-04-22 | 1978-08-31 | Ciba Geigy Ag | |
DE2834121C2 (de) * | 1978-08-03 | 1980-08-21 | Bayer Ag, 5090 Leverkusen | Kondensationsprodukte aus Terphenylsulfonsäuren, Naphthalinsulfonsäuren, Bis-(4-hydroxyphenyl)-sulfon und Formaldehyd |
US5041630A (en) * | 1989-01-23 | 1991-08-20 | Phillips Petroleum Company | Well cement slurries and dispersants therefor |
US4923516A (en) * | 1989-01-23 | 1990-05-08 | Phillips Petroleum Company | Well cement slurries and dispersants therefor |
GB2235461A (en) * | 1989-08-23 | 1991-03-06 | Boer Es Cipoeipari Kutato Fejl | Process for making synthetic tanning agent and for tanning leather |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA870503A (en) * | 1971-05-11 | A. Lipowski Stanley | Synthetic tanning agents for producing shrunken grain leather | |
US2829122A (en) * | 1952-06-10 | 1958-04-01 | Bayer Ag | Condensation products of sulfonic acid, aliphatic aldehyde and o-chloro-phenol and prcess of preparation |
DE1142173B (de) * | 1959-12-15 | 1963-01-10 | Basf Ag | Verfahren zur Herstellung lichtechter Kondensationsprodukte aus Phenolsulfonsaeuren, Phenolen, Harnstoff und Formaldehyd |
DE1178081B (de) * | 1960-12-13 | 1964-09-17 | Basf Ag | Verfahren zur Herstellung lichtechter Konden-sationsprodukte durch Umsetzung sulfonierter Phenole, die frei von kondensierten Ring- systemen sind, mit Harnstoff und Formaldehyd |
US3512918A (en) * | 1965-07-02 | 1970-05-19 | Basf Ag | Tanning process |
US3477801A (en) * | 1966-09-20 | 1969-11-11 | Diamond Shamrock Corp | Water soluble synthetic tanning agent for producing shrunken grain leather |
US3423452A (en) * | 1966-09-20 | 1969-01-21 | Diamond Shamrock Corp | Synthetic tanning agents for producing shrunken grain leather |
DE1935006A1 (de) * | 1969-07-10 | 1971-01-14 | Basf Ag | Verfahren zur Herstellung gerbend wirkender Kondensationsprodukte |
US3617186A (en) * | 1970-01-08 | 1971-11-02 | Us Agriculture | Tanning with tris(hydroxymethyl)nitromethane and a polyhydric phenol |
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1971
- 1971-03-18 DE DE19712113096 patent/DE2113096A1/de active Pending
-
1972
- 1972-02-17 CH CH226772A patent/CH562321A5/xx not_active IP Right Cessation
- 1972-03-02 IT IT48714/72A patent/IT952062B/it active
- 1972-03-10 US US05/233,755 patent/US3973904A/en not_active Expired - Lifetime
- 1972-03-16 FR FR7209173A patent/FR2129711A5/fr not_active Expired
- 1972-03-17 GB GB1255172A patent/GB1380974A/en not_active Expired
- 1972-03-17 BE BE780856A patent/BE780856A/xx unknown
- 1972-03-17 BR BR1569/72A patent/BR7201569D0/pt unknown
- 1972-03-18 ES ES400920A patent/ES400920A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES400920A1 (es) | 1975-02-16 |
FR2129711A5 (it) | 1972-10-27 |
GB1380974A (en) | 1975-01-22 |
BR7201569D0 (pt) | 1974-12-31 |
BE780856A (fr) | 1972-09-18 |
DE2113096A1 (de) | 1972-09-21 |
US3973904A (en) | 1976-08-10 |
IT952062B (it) | 1973-07-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |