ZA727908B - Pencil lead - Google Patents

Pencil lead

Info

Publication number
ZA727908B
ZA727908B ZA727908A ZA727908A ZA727908B ZA 727908 B ZA727908 B ZA 727908B ZA 727908 A ZA727908 A ZA 727908A ZA 727908 A ZA727908 A ZA 727908A ZA 727908 B ZA727908 B ZA 727908B
Authority
ZA
South Africa
Prior art keywords
pencil lead
pencil
lead
Prior art date
Application number
ZA727908A
Other languages
English (en)
Inventor
A Mukai
Y Mori
Original Assignee
Teijin Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Teijin Ltd filed Critical Teijin Ltd
Publication of ZA727908B publication Critical patent/ZA727908B/xx

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)
  • Epoxy Resins (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
ZA727908A 1971-11-13 1972-11-08 Pencil lead ZA727908B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46090772A JPS5035860B2 (xx) 1971-11-13 1971-11-13

Publications (1)

Publication Number Publication Date
ZA727908B true ZA727908B (en) 1973-07-25

Family

ID=14007879

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA727908A ZA727908B (en) 1971-11-13 1972-11-08 Pencil lead

Country Status (10)

Country Link
US (1) US3834910A (xx)
JP (1) JPS5035860B2 (xx)
AR (1) AR192982A1 (xx)
BR (1) BR7207960D0 (xx)
CA (1) CA981821A (xx)
DE (1) DE2255519C3 (xx)
FR (1) FR2159520B1 (xx)
GB (1) GB1402732A (xx)
HK (1) HK48176A (xx)
ZA (1) ZA727908B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5422132B2 (xx) * 1974-06-17 1979-08-04
AT351129B (de) * 1976-09-24 1979-07-10 Berghofer Theodor Verfahren zur herstellung eines schulkreide- foermigen zeichen- und malkoerpers zur erzeugung von durch waermeanwendung fixierbaren bildern
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
US4371632A (en) * 1981-04-24 1983-02-01 Empire Enterprises, Inc. Compositions, processes, and writing elements employing resins of the thermosetting type
DE3827968C1 (en) * 1988-08-17 1989-12-28 Solmex Ag, Weggis, Ch Pencil lead composition and process for its preparation
WO2000000557A1 (en) 1998-06-26 2000-01-06 Binney & Smith Inc. Erasable colored pencil lead
US6011084A (en) 1998-06-26 2000-01-04 Binney & Smith Inc. Erasable colored pencil lead
TW200630447A (en) * 2004-11-19 2006-09-01 Showa Denko Kk Resin cured film for flexible printed wiring board and production process thereof
WO2013180801A1 (en) * 2012-04-06 2013-12-05 Massachussetts Institute Of Technology Methods for deposition of materials including mechanical abrasion

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2049429A5 (xx) * 1969-06-10 1971-03-26 Baignol & Farjon Sa

Also Published As

Publication number Publication date
HK48176A (en) 1976-08-06
US3834910A (en) 1974-09-10
DE2255519A1 (de) 1973-06-07
BR7207960D0 (pt) 1973-09-13
GB1402732A (en) 1975-08-13
FR2159520B1 (xx) 1975-03-28
JPS4855017A (xx) 1973-08-02
JPS5035860B2 (xx) 1975-11-19
DE2255519B2 (de) 1974-08-22
AR192982A1 (es) 1973-03-21
FR2159520A1 (xx) 1973-06-22
DE2255519C3 (de) 1975-04-24
CA981821A (en) 1976-01-13

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