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CA1004400A - Writing material - Google Patents

Writing material

Info

Publication number
CA1004400A
CA1004400A CA153,843A CA153843A CA1004400A CA 1004400 A CA1004400 A CA 1004400A CA 153843 A CA153843 A CA 153843A CA 1004400 A CA1004400 A CA 1004400A
Authority
CA
Canada
Prior art keywords
writing material
writing
Prior art date
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.)
Expired
Application number
CA153,843A
Other versions
CA153843S (en
Inventor
Takeshi Teranishi
Takamaru Murai
Shigemi Kayamori
Kenji Yanai
Tatuo Ishiki
Takehiko Yokosuka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pilot Corp
Original Assignee
Pilot Man Nen Hitsu KK
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
Priority claimed from JP47002006A external-priority patent/JPS5139126B2/ja
Application filed by Pilot Man Nen Hitsu KK filed Critical Pilot Man Nen Hitsu KK
Application granted granted Critical
Publication of CA1004400A publication Critical patent/CA1004400A/en
Expired legal-status Critical Current

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)
CA153,843A 1971-10-14 1972-10-13 Writing material Expired CA1004400A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8106571 1971-10-14
JP47002006A JPS5139126B2 (en) 1971-12-27 1971-12-27

Publications (1)

Publication Number Publication Date
CA1004400A true CA1004400A (en) 1977-01-25

Family

ID=26335318

Family Applications (1)

Application Number Title Priority Date Filing Date
CA153,843A Expired CA1004400A (en) 1971-10-14 1972-10-13 Writing material

Country Status (5)

Country Link
CA (1) CA1004400A (en)
DE (1) DE2250145C3 (en)
FR (1) FR2156296B1 (en)
GB (1) GB1403882A (en)
IT (1) IT966301B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0017889A1 (en) * 1979-04-10 1980-10-29 Kores Holding Zug AG Writing system
US11866603B2 (en) 2019-01-03 2024-01-09 Crayola Llc Color-change and erasable writing compositions, writing instruments, and systems

Also Published As

Publication number Publication date
FR2156296A1 (en) 1973-05-25
DE2250145B2 (en) 1975-03-27
FR2156296B1 (en) 1977-08-26
DE2250145A1 (en) 1973-04-26
IT966301B (en) 1974-02-11
GB1403882A (en) 1975-08-28
DE2250145C3 (en) 1975-11-06

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