DE3682113D1 - Verfahren zur herstellung von acrylamidkristallen. - Google Patents
Verfahren zur herstellung von acrylamidkristallen.Info
- Publication number
- DE3682113D1 DE3682113D1 DE8686105691T DE3682113T DE3682113D1 DE 3682113 D1 DE3682113 D1 DE 3682113D1 DE 8686105691 T DE8686105691 T DE 8686105691T DE 3682113 T DE3682113 T DE 3682113T DE 3682113 D1 DE3682113 D1 DE 3682113D1
- Authority
- DE
- Germany
- Prior art keywords
- producing acrylamide
- acrylamide crystals
- crystals
- producing
- acrylamide
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8659185 | 1985-04-24 | ||
JP61075464A JPS6236346A (ja) | 1985-04-24 | 1986-04-03 | アクリルアミド結晶の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3682113D1 true DE3682113D1 (de) | 1991-11-28 |
Family
ID=26416593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686105691T Expired - Fee Related DE3682113D1 (de) | 1985-04-24 | 1986-04-24 | Verfahren zur herstellung von acrylamidkristallen. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4670590A (de) |
EP (1) | EP0203380B1 (de) |
CN (1) | CN1008690B (de) |
AU (1) | AU570841B2 (de) |
CA (1) | CA1250592A (de) |
DE (1) | DE3682113D1 (de) |
IN (1) | IN164339B (de) |
SU (1) | SU1491331A3 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2138314C (en) * | 1993-12-24 | 1999-09-21 | Hirotoshi Doki | Acrylamide polymers and use thereof |
US8201619B2 (en) | 2005-12-21 | 2012-06-19 | Exxonmobil Research & Engineering Company | Corrosion resistant material for reduced fouling, a heat transfer component having reduced fouling and a method for reducing fouling in a refinery |
CA2634252A1 (en) * | 2005-12-21 | 2007-07-05 | Exxonmobil Research And Engineering Company | Corrosion resistant material for reduced fouling, heat transfer component with improved corrosion and fouling resistance, and method for reducing fouling |
AU2007221882A1 (en) * | 2006-10-30 | 2008-05-15 | Rohm And Haas Company | Process for stripping polymer dispersions |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2771490A (en) * | 1955-08-03 | 1956-11-20 | American Cyanamid Co | Production of acrylamide |
NL109697C (de) * | 1959-04-01 | |||
NL130751C (de) * | 1965-02-01 | |||
US3666809A (en) * | 1969-10-08 | 1972-05-30 | Mitsubishi Chem Ind | Method for the production of acrylamide crystals |
US3902855A (en) * | 1971-01-22 | 1975-09-02 | Dow Chemical Co | Multi-stage countercurrent recrystallizer column having slip valve between each stage |
BE792366A (fr) * | 1971-12-06 | 1973-03-30 | Mitsui Toatsu Chemicals | Procede de raffinage d'une solution aqueuse d'acrylamide |
JPS51115410A (en) * | 1975-04-02 | 1976-10-12 | Mitsubishi Chem Ind Ltd | Process for preparation of acrylic amide crystal |
US4010142A (en) * | 1975-12-15 | 1977-03-01 | Nalco Chemical Company | Purification of acrylamide via crystallization with centrifugal liquor separation |
JPS588405B2 (ja) * | 1977-08-09 | 1983-02-16 | 住友化学工業株式会社 | 塩化ビニル系単量体の重合用装置および重合法 |
-
1986
- 1986-04-11 US US06/850,605 patent/US4670590A/en not_active Expired - Lifetime
- 1986-04-15 IN IN293/CAL/86A patent/IN164339B/en unknown
- 1986-04-17 AU AU56303/86A patent/AU570841B2/en not_active Ceased
- 1986-04-23 CA CA000507368A patent/CA1250592A/en not_active Expired
- 1986-04-23 SU SU864027361A patent/SU1491331A3/ru active
- 1986-04-24 EP EP86105691A patent/EP0203380B1/de not_active Expired - Lifetime
- 1986-04-24 DE DE8686105691T patent/DE3682113D1/de not_active Expired - Fee Related
- 1986-04-24 CN CN86103400A patent/CN1008690B/zh not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU570841B2 (en) | 1988-03-24 |
CN86103400A (zh) | 1986-11-05 |
IN164339B (de) | 1989-02-25 |
EP0203380B1 (de) | 1991-10-23 |
US4670590A (en) | 1987-06-02 |
CN1008690B (zh) | 1990-07-11 |
AU5630386A (en) | 1986-10-30 |
EP0203380A1 (de) | 1986-12-03 |
CA1250592A (en) | 1989-02-28 |
SU1491331A3 (ru) | 1989-06-30 |
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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: MITSUI CHEMICALS, INC., TOKIO/TOKYO, JP |
|
8339 | Ceased/non-payment of the annual fee |