DE3786735D1 - Verminderung der verfaerbung von polyaminen durch milde katalytische hydrierung. - Google Patents
Verminderung der verfaerbung von polyaminen durch milde katalytische hydrierung.Info
- Publication number
- DE3786735D1 DE3786735D1 DE8787113841T DE3786735T DE3786735D1 DE 3786735 D1 DE3786735 D1 DE 3786735D1 DE 8787113841 T DE8787113841 T DE 8787113841T DE 3786735 T DE3786735 T DE 3786735T DE 3786735 D1 DE3786735 D1 DE 3786735D1
- Authority
- DE
- Germany
- Prior art keywords
- discoloration
- catalytic hydration
- mild catalytic
- polyamine
- reducing
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/84—Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/912,882 US4766247A (en) | 1986-09-26 | 1986-09-26 | Color reduction of polyamines by mild catalytic hydrogenation |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3786735D1 true DE3786735D1 (de) | 1993-09-02 |
DE3786735T2 DE3786735T2 (de) | 1994-01-27 |
Family
ID=25432624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE87113841T Expired - Fee Related DE3786735T2 (de) | 1986-09-26 | 1987-09-22 | Verminderung der Verfärbung von Polyaminen durch milde katalytische Hydrierung. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4766247A (de) |
EP (1) | EP0262562B1 (de) |
JP (1) | JPS63101421A (de) |
DE (1) | DE3786735T2 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4008074A1 (de) * | 1990-03-14 | 1991-09-19 | Basf Ag | Verfahren zur qualitaetsverbesserung von rohen diaminodiphenylmethanen |
ES2067106T3 (es) * | 1990-09-24 | 1995-03-16 | Atochem North America | Purificacion y decoloracion de alquil-alcanolaminas de intenso color. |
US5118852A (en) * | 1991-03-18 | 1992-06-02 | Ethyl Corporation | Tert-amine treatment |
US5103053A (en) * | 1991-03-18 | 1992-04-07 | Ethyl Corporation | Process for treating tert-amines |
US5113017A (en) * | 1991-03-18 | 1992-05-12 | Ethyl Corporation | Process for treating tertiary amines |
US5107028A (en) * | 1991-03-18 | 1992-04-21 | Ethyl Corporation | Process for treating tert-amines |
US5889070A (en) * | 1991-12-10 | 1999-03-30 | Bayer Corporation | Process for preparing polyamines and polysocyanates |
US5227528A (en) * | 1992-04-30 | 1993-07-13 | The Dow Chemical Company | Decolorization of polyalkylene polyamines |
US5391710A (en) * | 1993-03-25 | 1995-02-21 | Air Products And Chemicals, Inc. | Production of amine functional polymers having improved purity |
US5362914A (en) * | 1993-08-25 | 1994-11-08 | Texaco Chemical Inc. | Decolorization of polyethylene polyamines using cobalt/copper/chromium |
US5364971A (en) * | 1993-08-25 | 1994-11-15 | Texaco Chemical Inc. | Decolorization of polyethylene polyamines using ruthenium |
DE19743433C1 (de) * | 1997-10-01 | 1999-04-22 | Basf Ag | Verfahren zur Reinigung von 4-Amino-piperidinen |
SE513250C2 (sv) * | 1997-11-11 | 2000-08-07 | Akzo Nobel Nv | Amineringsförfarande för framställning av polyaminer |
US7169268B2 (en) * | 2002-06-26 | 2007-01-30 | Huntsman Petrochemical Corporation | Color stabilization of amines |
FR2856682B1 (fr) * | 2003-06-27 | 2005-08-26 | Rhodia Polyamide Intermediates | Procede de purification de diamines |
JP2014534249A (ja) * | 2011-11-25 | 2014-12-18 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 水素の存在下でのアルコールの均一系接触アミノ化による低い色数を有するポリアルキレンポリアミンの合成 |
EP3235804B1 (de) * | 2014-12-17 | 2022-01-19 | Cathay Biotech Inc. | Verfahren zur reinigung von 1,5-pentandiamin |
WO2017049529A1 (en) | 2015-09-24 | 2017-03-30 | Innolife Co., Ltd. | A pharmaceutical composition comprising a copper chelating tetramine and the use thereof |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS444768Y1 (de) * | 1966-04-06 | 1969-02-21 | ||
JPS4533163Y1 (de) * | 1966-05-04 | 1970-12-17 | ||
JPS442209Y1 (de) * | 1966-12-15 | 1969-01-27 | ||
US3714259A (en) * | 1970-08-20 | 1973-01-30 | Jefferson Chem Co Inc | Production of linear polyethylene polyamines |
US3723529A (en) * | 1970-10-19 | 1973-03-27 | Jefferson Chem Co Inc | Decolorization of polyethylene polyamines |
JPS5228770B2 (de) * | 1971-11-01 | 1977-07-28 | ||
US4347381A (en) * | 1978-01-24 | 1982-08-31 | Ethyl Corporation | Method of treating long chain alkyl amines or products derived therefrom |
DE3010105A1 (de) * | 1980-03-15 | 1981-10-01 | Basf Ag, 6700 Ludwigshafen | Verfahren und vorrichtung zur herstellung bzw. umsetzung von alkanolaminen |
DE3160298D1 (en) * | 1980-03-15 | 1983-07-07 | Basf Ag | Process for the production or reaction of alkanol amines |
US4570019A (en) * | 1981-02-25 | 1986-02-11 | Union Carbide Corporation | Method of preparing polyethylene polyamines having improved color |
US4487987A (en) * | 1983-06-09 | 1984-12-11 | Texaco Inc. | Method of decolorizing mixtures of aminoethylpiperazine, a polyoxypropylenediamine and alkylphenols with N,N-diethylhydroxylamine |
US4463193A (en) * | 1983-07-19 | 1984-07-31 | Air Products And Chemicals, Inc. | Production of noncyclic polyalkylene polyamines |
US4503253A (en) * | 1984-03-08 | 1985-03-05 | Air Products And Chemicals, Inc. | Production of noncyclic polyalkyene polyamines |
-
1986
- 1986-09-26 US US06/912,882 patent/US4766247A/en not_active Expired - Fee Related
-
1987
- 1987-09-22 DE DE87113841T patent/DE3786735T2/de not_active Expired - Fee Related
- 1987-09-22 EP EP87113841A patent/EP0262562B1/de not_active Expired - Lifetime
- 1987-09-26 JP JP62242391A patent/JPS63101421A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
EP0262562A2 (de) | 1988-04-06 |
EP0262562B1 (de) | 1993-07-28 |
JPS63101421A (ja) | 1988-05-06 |
JPH0584303B2 (de) | 1993-12-01 |
DE3786735T2 (de) | 1994-01-27 |
US4766247A (en) | 1988-08-23 |
EP0262562A3 (en) | 1989-02-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: TEXACO DEVELOPMENT CORP., WHITE PLAINS, N.Y., US |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: UNION CARBIDE PLASTICS AND TECHNOLOGY CORP., DANBU |
|
8339 | Ceased/non-payment of the annual fee |