BE460908A - - Google Patents
Info
- Publication number
- BE460908A BE460908A BE460908DA BE460908A BE 460908 A BE460908 A BE 460908A BE 460908D A BE460908D A BE 460908DA BE 460908 A BE460908 A BE 460908A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D13/00—Pencil-leads; Crayon compositions; Chalk compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US487654A US2355639A (en) | 1943-05-19 | 1943-05-19 | Pencil lead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE460908A true BE460908A (en:Method) |
Family
ID=23936609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE460908D BE460908A (en:Method) | 1943-05-19 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2355639A (en:Method) |
| BE (1) | BE460908A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2986472A (en) * | 1959-02-18 | 1961-05-30 | Georgia Kaolin Co | Pencil clays |
| CA972908A (en) * | 1971-08-19 | 1975-08-19 | Etsuo Shinkawa | Black lead and production thereof |
| JP2726198B2 (ja) * | 1992-06-03 | 1998-03-11 | 三菱鉛筆株式会社 | 非焼成色鉛筆芯とその製造方法 |
-
0
- BE BE460908D patent/BE460908A/xx unknown
-
1943
- 1943-05-19 US US487654A patent/US2355639A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2355639A (en) | 1944-08-15 |