JPS50161319A - - Google Patents
Info
- Publication number
- JPS50161319A JPS50161319A JP49068085A JP6808574A JPS50161319A JP S50161319 A JPS50161319 A JP S50161319A JP 49068085 A JP49068085 A JP 49068085A JP 6808574 A JP6808574 A JP 6808574A JP S50161319 A JPS50161319 A JP S50161319A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
- C08L63/04—Epoxynovolacs
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6808574A JPS5422132B2 (en:Method) | 1974-06-17 | 1974-06-17 | |
| US05/587,327 US4017451A (en) | 1974-06-17 | 1975-06-16 | Pencil lead and manufacturing method of the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6808574A JPS5422132B2 (en:Method) | 1974-06-17 | 1974-06-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50161319A true JPS50161319A (en:Method) | 1975-12-27 |
| JPS5422132B2 JPS5422132B2 (en:Method) | 1979-08-04 |
Family
ID=13363539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6808574A Expired JPS5422132B2 (en:Method) | 1974-06-17 | 1974-06-17 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4017451A (en:Method) |
| JP (1) | JPS5422132B2 (en:Method) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4382819A (en) * | 1979-12-11 | 1983-05-10 | Theodor Berghofer | Drawing and coloring element in form of blackboard-chalk-like stick for producing pictures that can be fixed through application of heat |
| US4298507A (en) * | 1980-03-11 | 1981-11-03 | Leon Roque O L | Flexible marking composition for pencils |
| US4371632A (en) * | 1981-04-24 | 1983-02-01 | Empire Enterprises, Inc. | Compositions, processes, and writing elements employing resins of the thermosetting type |
| DE3706977A1 (de) * | 1987-03-04 | 1988-09-22 | Buchtal Gmbh | Verfahren zur herstellung von blei- und farbstiften |
| JP2641810B2 (ja) * | 1991-05-02 | 1997-08-20 | 三菱鉛筆株式会社 | 非焼成色鉛筆芯とその製造方法 |
| US5531947A (en) * | 1992-09-15 | 1996-07-02 | Bellaform Extrusionstechnik Gmbh | Process and installation for the manufacture of pencils |
| JPH08259874A (ja) * | 1995-03-27 | 1996-10-08 | Mitsubishi Pencil Co Ltd | 焼成色鉛筆芯及びその製造方法 |
| ATE262013T1 (de) | 1998-06-26 | 2004-04-15 | Binney & Smith Inc | Löschbare farbstiftmine |
| US6011084A (en) | 1998-06-26 | 2000-01-04 | Binney & Smith Inc. | Erasable colored pencil lead |
| US12006411B1 (en) * | 2020-08-19 | 2024-06-11 | Systima Technologies, Inc. | Method of making carbonized composites |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4855017A (en:Method) * | 1971-11-13 | 1973-08-02 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3953218A (en) * | 1971-03-31 | 1976-04-27 | Pms Consolidated | Pigment dispersion |
| US3821157A (en) * | 1971-05-27 | 1974-06-28 | Bayer Ag | Thermoplastic binders for continuously produced leads for pencils,copying pencils and coloured pencils |
| CA972908A (en) * | 1971-08-19 | 1975-08-19 | Etsuo Shinkawa | Black lead and production thereof |
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1974
- 1974-06-17 JP JP6808574A patent/JPS5422132B2/ja not_active Expired
-
1975
- 1975-06-16 US US05/587,327 patent/US4017451A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4855017A (en:Method) * | 1971-11-13 | 1973-08-02 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4017451A (en) | 1977-04-12 |
| JPS5422132B2 (en:Method) | 1979-08-04 |