NL6904946A - - Google Patents
Info
- Publication number
- NL6904946A NL6904946A NL6904946A NL6904946A NL6904946A NL 6904946 A NL6904946 A NL 6904946A NL 6904946 A NL6904946 A NL 6904946A NL 6904946 A NL6904946 A NL 6904946A NL 6904946 A NL6904946 A NL 6904946A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/501—Preparation of sulfur dioxide by reduction of sulfur compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Hydrogenated Pyridines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2063968 | 1968-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6904946A true NL6904946A (enExample) | 1969-10-02 |
Family
ID=12032783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6904946A NL6904946A (enExample) | 1968-03-30 | 1969-03-31 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH520678A (enExample) |
| FR (1) | FR2005195A1 (enExample) |
| GB (1) | GB1258810A (enExample) |
| NL (1) | NL6904946A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6852181B2 (ja) * | 2017-12-15 | 2021-03-31 | アクアフィルスロ デー．オー．オー．Ａｑｕａｆｉｌｓｌｏ Ｄ．Ｏ．Ｏ． | 有機溶媒抽出を伴わない粗カプロラクタムの溶液からのカプロラクタムの精製方法 |
| CN111912801B (zh) * | 2020-08-21 | 2023-02-24 | 平顶山神马工程塑料有限责任公司 | 一种聚酰胺切片中铜离子含量的测定方法 |
| CN120132749B (zh) * | 2025-05-16 | 2025-08-22 | 衢州巨化锦纶有限责任公司 | 一种己内酰胺和硫酸羟胺的联合生产系统 |
-
1969
- 1969-03-26 GB GB1258810D patent/GB1258810A/en not_active Expired
- 1969-03-28 CH CH476969A patent/CH520678A/de not_active IP Right Cessation
- 1969-03-31 FR FR6909722A patent/FR2005195A1/fr not_active Withdrawn
- 1969-03-31 NL NL6904946A patent/NL6904946A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2005195A1 (enExample) | 1969-12-05 |
| CH520678A (de) | 1972-03-31 |
| GB1258810A (enExample) | 1971-12-30 |
| DE1916149B2 (de) | 1977-05-12 |
| DE1916149A1 (de) | 1969-10-09 |