NL71969C - - Google Patents
Info
- Publication number
- NL71969C NL71969C NL71969DA NL71969C NL 71969 C NL71969 C NL 71969C NL 71969D A NL71969D A NL 71969DA NL 71969 C NL71969 C NL 71969C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic System
- C07F7/24—Lead compounds
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US107385A US2535191A (en) | 1949-07-28 | 1949-07-28 | Manufacture of alkyllead compounds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL71969C true NL71969C (xx) |
Family
ID=22316375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL71969D NL71969C (xx) | 1949-07-28 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2535191A (xx) |
| DE (1) | DE875355C (xx) |
| FR (1) | FR997608A (xx) |
| GB (1) | GB673997A (xx) |
| NL (1) | NL71969C (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2960515A (en) * | 1952-11-01 | 1960-11-15 | Sol B Wiczer | Method and composition of preparing lead alkyl compounds |
| US3401188A (en) * | 1965-08-05 | 1968-09-10 | Du Pont | Process for making tetramethyl lead |
| US3457288A (en) * | 1966-04-13 | 1969-07-22 | Ppg Industries Inc | Process for manufacturing tetraorganolead compounds |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1658544A (en) * | 1923-09-07 | 1928-02-07 | Gen Motors Corp | Process of making lead alkyls |
| US1661809A (en) * | 1924-03-25 | 1928-03-06 | Du Pont | Process of making tetra-alkyl lead |
| US2000069A (en) * | 1932-05-24 | 1935-05-07 | Du Pont | Preparation of lead alkyls |
-
0
- NL NL71969D patent/NL71969C/xx active
-
1949
- 1949-07-28 US US107385A patent/US2535191A/en not_active Expired - Lifetime
- 1949-10-11 GB GB26064/49A patent/GB673997A/en not_active Expired
- 1949-10-14 FR FR997608D patent/FR997608A/fr not_active Expired
- 1949-11-03 DE DEE213A patent/DE875355C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2535191A (en) | 1950-12-26 |
| DE875355C (de) | 1953-04-30 |
| GB673997A (en) | 1952-06-18 |
| FR997608A (fr) | 1952-01-08 |