BE724179A - - Google Patents
Info
- Publication number
- BE724179A BE724179A BE724179DA BE724179A BE 724179 A BE724179 A BE 724179A BE 724179D A BE724179D A BE 724179DA BE 724179 A BE724179 A BE 724179A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C335/00—Thioureas, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C335/04—Derivatives of thiourea
- C07C335/06—Derivatives of thiourea having nitrogen atoms of thiourea groups bound to acyclic carbon atoms
- C07C335/08—Derivatives of thiourea having nitrogen atoms of thiourea groups bound to acyclic carbon atoms of a saturated carbon skeleton
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
- C07C273/189—Purification, separation, stabilisation, use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cosmetics (AREA)
- Medicinal Preparation (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH464568A CH495165A (en) | 1968-03-29 | 1968-03-29 | Process for removing formaldehyde |
Publications (1)
Publication Number | Publication Date |
---|---|
BE724179A true BE724179A (en) | 1969-05-02 |
Family
ID=4279984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE724179D BE724179A (en) | 1968-03-29 | 1968-11-20 |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE724179A (en) |
CH (1) | CH495165A (en) |
DE (1) | DE1914009A1 (en) |
FR (1) | FR2005105A1 (en) |
GB (1) | GB1228512A (en) |
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1968
- 1968-03-29 CH CH464568A patent/CH495165A/en not_active IP Right Cessation
- 1968-11-20 BE BE724179D patent/BE724179A/xx not_active IP Right Cessation
-
1969
- 1969-03-19 DE DE19691914009 patent/DE1914009A1/en active Pending
- 1969-03-20 GB GB1228512D patent/GB1228512A/en not_active Expired
- 1969-03-28 FR FR6909402A patent/FR2005105A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB1228512A (en) | 1971-04-15 |
FR2005105A1 (en) | 1969-12-05 |
CH495165A (en) | 1970-08-31 |
DE1914009A1 (en) | 1969-10-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: L OREAL S.A. Effective date: 19881120 |