NL142021B - Transistor. - Google Patents
Transistor.Info
- Publication number
- NL142021B NL142021B NL646400616A NL142021DA NL142021B NL 142021 B NL142021 B NL 142021B NL 646400616 A NL646400616 A NL 646400616A NL 142021D A NL142021D A NL 142021DA NL 142021 B NL142021 B NL 142021B
- Authority
- NL
- Netherlands
- Prior art keywords
- transistor
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/28—Radicals substituted by singly-bound oxygen or sulphur atoms
- C07D213/30—Oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR851066X | 1947-08-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL142021B true NL142021B (nl) |
Family
ID=9321216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL646400616A NL142021B (nl) | 1947-08-21 | Transistor. |
Country Status (3)
Country | Link |
---|---|
DE (2) | DE851066C (nl) |
GB (1) | GB685524A (nl) |
NL (1) | NL142021B (nl) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE952715C (de) * | 1952-10-25 | 1956-11-22 | Asta Werke Ag Chem Fab | Verfahren zur Herstellung neuer antihistaminwirksamer basischer AEther |
-
0
- DE DENDAT878655D patent/DE878655C/de not_active Expired
- NL NL646400616A patent/NL142021B/nl unknown
-
1948
- 1948-10-01 GB GB25628/48A patent/GB685524A/en not_active Expired
-
1950
- 1950-09-26 DE DEM6163A patent/DE851066C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE851066C (de) | 1952-10-02 |
DE878655C (de) | 1953-04-23 |
GB685524A (en) | 1953-01-07 |
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