DE3270350D1 - Method of preparing polyethylene polyamines having improved color - Google Patents
Method of preparing polyethylene polyamines having improved colorInfo
- Publication number
- DE3270350D1 DE3270350D1 DE8282101289T DE3270350T DE3270350D1 DE 3270350 D1 DE3270350 D1 DE 3270350D1 DE 8282101289 T DE8282101289 T DE 8282101289T DE 3270350 T DE3270350 T DE 3270350T DE 3270350 D1 DE3270350 D1 DE 3270350D1
- Authority
- DE
- Germany
- Prior art keywords
- improved color
- polyethylene polyamines
- preparing polyethylene
- preparing
- polyamines
- 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
- 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)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23812881A | 1981-02-25 | 1981-02-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3270350D1 true DE3270350D1 (en) | 1986-05-15 |
Family
ID=22896619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282101289T Expired DE3270350D1 (en) | 1981-02-25 | 1982-02-19 | Method of preparing polyethylene polyamines having improved color |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0058962B1 (de) |
JP (1) | JPS57171939A (de) |
CA (1) | CA1206977A (de) |
DE (1) | DE3270350D1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0150075B1 (de) * | 1984-01-06 | 1989-07-19 | The Dow Chemical Company | Verfahren zum Entfärben von Polyethylenpolyaminen mit einem chlorierten Kohlenwasserstoff |
US5331102A (en) * | 1993-06-28 | 1994-07-19 | Union Carbide Chemicals & Plastics Technology Corporation | Method for decolorization of alkanolamines and alkyleneamines |
WO1997048673A1 (en) * | 1996-06-19 | 1997-12-24 | The Procter & Gamble Company | Process for removing malodors from modified polyamines |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3723529A (en) * | 1970-10-19 | 1973-03-27 | Jefferson Chem Co Inc | Decolorization of polyethylene polyamines |
JPS5020047B1 (de) * | 1970-12-28 | 1975-07-11 | ||
JPS5641724B2 (de) * | 1973-07-03 | 1981-09-30 |
-
1982
- 1982-02-19 DE DE8282101289T patent/DE3270350D1/de not_active Expired
- 1982-02-19 EP EP19820101289 patent/EP0058962B1/de not_active Expired
- 1982-02-23 JP JP2690582A patent/JPS57171939A/ja active Granted
- 1982-02-25 CA CA000397076A patent/CA1206977A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0058962A1 (de) | 1982-09-01 |
CA1206977A (en) | 1986-07-02 |
JPH0338261B2 (de) | 1991-06-10 |
EP0058962B1 (de) | 1986-04-09 |
JPS57171939A (en) | 1982-10-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2114031B (en) | Method of forming containers | |
DE3268168D1 (en) | Process for the preparation of polyethylene polyamines | |
IL73826A0 (en) | Improved method of preparing 2-fluoro-17beta-estradiol | |
BG60030B2 (en) | Method for the preparation of /d/-ethyl-2-oxo-1-pirrolidineacetamide | |
JPS57137791A (en) | Forming method of joint | |
IL67022A (en) | 2-halo-3-chloro-5-haloalkylpyridines and process for their preparation | |
EP0153038A3 (en) | Method of forming images | |
BG45698A3 (en) | Method for preparing of dimethyltherephthalate | |
DE3261338D1 (en) | Method of preparing blue iron-hexacyanoferrate-iii pigments | |
AU548924B2 (en) | Method of preparing dialkyl amides | |
DE3275190D1 (en) | Process for the preparation of modified polyamines | |
BG50162A3 (en) | Method for preparing of alcandiol dicarboxilates | |
DE3360089D1 (en) | Method for the preparation of an insoluble biocatalyst | |
BG44203A3 (en) | Method for preparing of 2- oxyindol- 1- carboxamides | |
DE3270350D1 (en) | Method of preparing polyethylene polyamines having improved color | |
GB2123829B (en) | Method of preparing 1 1 1-azidodinitro compounds | |
PL239330A1 (en) | Biocide and method of preparing of novel derivatives of azolylpentene | |
DE3260204D1 (en) | Method for the preparation of optionally substituted fluoronitrobenzaldehydes | |
GB2136467B (en) | Method of preparing color developer sheets | |
JPS5756581A (en) | Quality modifying method | |
JPS57160692A (en) | Method of preparing permanent image | |
DE3260916D1 (en) | Method for the preparation of imidazolyl-vinyl-ethers | |
DE3272214D1 (en) | Method of preparing 23-monoesters of mycaminosyl-tylonolide or demycinosyl-tylosine | |
JPS57143803A (en) | Method of forming resisotr | |
BG46963A1 (en) | method for preparing of 2, 2, 6, 6- TETRAMETHYL- 4- OXOPIRIDINA |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: BARZ, P., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 80803 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |