BR8601844A - PROCESS FOR THE PREPARATION OF ACRYLAMIDE CRYSTALS FROM AN AQUEOUS ACRYLAMIDE SOLUTION - Google Patents
PROCESS FOR THE PREPARATION OF ACRYLAMIDE CRYSTALS FROM AN AQUEOUS ACRYLAMIDE SOLUTIONInfo
- Publication number
- BR8601844A BR8601844A BR8601844A BR8601844A BR8601844A BR 8601844 A BR8601844 A BR 8601844A BR 8601844 A BR8601844 A BR 8601844A BR 8601844 A BR8601844 A BR 8601844A BR 8601844 A BR8601844 A BR 8601844A
- Authority
- BR
- Brazil
- Prior art keywords
- acrylamide
- preparation
- crystals
- aqueous
- solution
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/22—Separation; Purification; Stabilisation; Use of additives
- C07C231/24—Separation; Purification
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
- C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C233/02—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals
- C07C233/09—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to carbon atoms of an acyclic unsaturated carbon skeleton
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8659185 | 1985-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8601844A true BR8601844A (en) | 1986-12-23 |
Family
ID=13891249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8601844A BR8601844A (en) | 1985-04-24 | 1986-04-24 | PROCESS FOR THE PREPARATION OF ACRYLAMIDE CRYSTALS FROM AN AQUEOUS ACRYLAMIDE SOLUTION |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS6236346A (en) |
KR (1) | KR890002924B1 (en) |
BR (1) | BR8601844A (en) |
ES (1) | ES8708208A1 (en) |
ZA (1) | ZA862861B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10015014A1 (en) * | 2000-03-27 | 2001-10-04 | Bayer Ag | Process for the preparation of bisphenols |
CN102786430A (en) * | 2012-07-20 | 2012-11-21 | 江苏南天农科化工有限公司 | Technology for applying airlift stirring to acrylamide crystallization |
-
1986
- 1986-04-03 JP JP61075464A patent/JPS6236346A/en active Granted
- 1986-04-16 ZA ZA862861A patent/ZA862861B/en unknown
- 1986-04-23 ES ES554281A patent/ES8708208A1/en not_active Expired
- 1986-04-24 BR BR8601844A patent/BR8601844A/en not_active IP Right Cessation
- 1986-04-24 KR KR1019860003171A patent/KR890002924B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS6236346A (en) | 1987-02-17 |
ZA862861B (en) | 1986-12-30 |
KR860008223A (en) | 1986-11-14 |
ES8708208A1 (en) | 1987-11-01 |
KR890002924B1 (en) | 1989-08-12 |
ES554281A0 (en) | 1987-11-01 |
JPH046702B2 (en) | 1992-02-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Transfer |
Free format text: MITSUI CHEMICALS, INC. (JP) |
|
B21A | Expiry acc. art. 78, item i of ipl- expiry of the term of protection |
Free format text: PATENTE EXTINTA EM 24/04/2001 |
|
B15K | Others concerning applications: alteration of classification |
Ipc: C07C 231/24 (2006.01), B01D 9/02 (2006.0 |