GB1403882A - Writing material - Google Patents

Writing material

Info

Publication number
GB1403882A
GB1403882A GB4728672A GB4728672A GB1403882A GB 1403882 A GB1403882 A GB 1403882A GB 4728672 A GB4728672 A GB 4728672A GB 4728672 A GB4728672 A GB 4728672A GB 1403882 A GB1403882 A GB 1403882A
Authority
GB
United Kingdom
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
GB4728672A
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 Pen Co 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
Priority claimed from JP47002006A external-priority patent/JPS5139126B2/ja
Application filed by Pilot Pen Co Ltd filed Critical Pilot Pen Co Ltd
Publication of GB1403882A publication Critical patent/GB1403882A/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)
GB4728672A 1971-10-14 1972-10-13 Writing material Expired GB1403882A (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
GB1403882A true GB1403882A (en) 1975-08-28

Family

ID=26335318

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4728672A Expired GB1403882A (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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11866603B2 (en) 2019-01-03 2024-01-09 Crayola Llc Color-change and erasable writing compositions, writing instruments, and systems

Families Citing this family (1)

* 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2156296B1 (en) 1977-08-26
DE2250145C3 (en) 1975-11-06
IT966301B (en) 1974-02-11
CA1004400A (en) 1977-01-25
DE2250145B2 (en) 1975-03-27
DE2250145A1 (en) 1973-04-26
FR2156296A1 (en) 1973-05-25

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee