NL148963C - - Google Patents
Info
- Publication number
- NL148963C NL148963C NL148963DC NL148963C NL 148963 C NL148963 C NL 148963C NL 148963D C NL148963D C NL 148963DC NL 148963 C NL148963 C NL 148963C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- C07C273/02—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 urea, its salts, complexes or addition compounds
- C07C273/04—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 urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
- Carbon And Carbon Compounds (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR812909X | 1947-06-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL148963C true NL148963C (nl) | 1900-01-01 |
Family
ID=9265888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL148963D NL148963C (nl) | 1947-06-27 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE491320A (nl) |
DE (1) | DE812909C (nl) |
FR (1) | FR1014162A (nl) |
NL (1) | NL148963C (nl) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1072706A (fr) * | 1953-01-21 | 1954-09-15 | Pechiney | Perfectionnement à la fabrication de l'urée |
NL77361C (nl) * | 1953-04-15 |
-
0
- BE BE491320D patent/BE491320A/fr unknown
- NL NL148963D patent/NL148963C/xx active
-
1947
- 1947-06-27 FR FR1014162D patent/FR1014162A/fr not_active Expired
-
1948
- 1948-10-02 DE DEP1173A patent/DE812909C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1014162A (fr) | 1952-08-11 |
DE812909C (de) | 1951-09-06 |
BE491320A (nl) |