NL7007134A - - Google Patents
Info
- Publication number
- NL7007134A NL7007134A NL7007134A NL7007134A NL7007134A NL 7007134 A NL7007134 A NL 7007134A NL 7007134 A NL7007134 A NL 7007134A NL 7007134 A NL7007134 A NL 7007134A NL 7007134 A NL7007134 A NL 7007134A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/27—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids
- C07C51/275—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids of hydrocarbyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6916915A FR2044526A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-05-23 | 1969-05-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7007134A true NL7007134A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-11-25 |
| NL140862B NL140862B (nl) | 1974-01-15 |
Family
ID=9034533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL707007134A NL140862B (nl) | 1969-05-23 | 1970-05-15 | Werkwijze voor de zuivering van melkzuur. |
Country Status (13)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19632924A1 (de) * | 1996-08-16 | 1998-02-19 | Bayer Ag | Verfahren zur Isolierung von Hydroxypivalinsäure aus wäßriger Lösung |
| US6111137A (en) * | 1996-12-20 | 2000-08-29 | Mitsui Chemicals, Inc. | Purification process of lactic acid |
| JP3880175B2 (ja) * | 1996-12-20 | 2007-02-14 | 三井化学株式会社 | 乳酸の精製方法 |
| US20050209328A1 (en) * | 2004-03-19 | 2005-09-22 | Allgood Charles C | Alphahydroxyacids with ultra-low metal concentration |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US924494A (en) * | 1907-11-25 | 1909-06-08 | Chem Fab Florsheim Dr H Noerdlinger | Process of preparing pure lactic acid. |
| GB907322A (en) * | 1958-07-10 | 1962-10-03 | Bowmans Chemicals Ltd | Purification and esterification of lactic acid |
-
1969
- 1969-05-23 FR FR6916915A patent/FR2044526A5/fr not_active Expired
-
1970
- 1970-05-15 NL NL707007134A patent/NL140862B/xx not_active IP Right Cessation
- 1970-05-19 GB GB1265595D patent/GB1265595A/en not_active Expired
- 1970-05-21 US US00039567A patent/US3716584A/en not_active Expired - Lifetime
- 1970-05-21 BR BR219207/70A patent/BR7019207D0/pt unknown
- 1970-05-22 BE BE750844D patent/BE750844A/xx unknown
- 1970-05-22 JP JP45043925A patent/JPS5035058B1/ja active Pending
- 1970-05-22 CA CA083533A patent/CA923505A/en not_active Expired
- 1970-05-22 SE SE7007069A patent/SE371432B/xx unknown
- 1970-05-22 DE DE19702025052 patent/DE2025052A1/de active Granted
- 1970-05-22 CH CH765370A patent/CH500933A/fr not_active IP Right Cessation
- 1970-05-22 LU LU60963D patent/LU60963A1/xx unknown
- 1970-05-23 ES ES379970A patent/ES379970A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA923505A (en) | 1973-03-27 |
| US3716584A (en) | 1973-02-13 |
| DE2025052A1 (de) | 1970-12-10 |
| NL140862B (nl) | 1974-01-15 |
| BE750844A (fr) | 1970-11-23 |
| GB1265595A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-03-01 |
| JPS5035058B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-11-13 |
| BR7019207D0 (pt) | 1973-01-04 |
| CH500933A (fr) | 1970-12-31 |
| LU60963A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-06-29 |
| SE371432B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-11-18 |
| ES379970A1 (es) | 1972-09-01 |
| FR2044526A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-02-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee | ||
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: RHONE POULENC |