FR1300752A - Matière pour la fabrication de mines de crayons souples - Google Patents

Matière pour la fabrication de mines de crayons souples

Info

Publication number
FR1300752A
FR1300752A FR850061A FR850061A FR1300752A FR 1300752 A FR1300752 A FR 1300752A FR 850061 A FR850061 A FR 850061A FR 850061 A FR850061 A FR 850061A FR 1300752 A FR1300752 A FR 1300752A
Authority
FR
France
Prior art keywords
manufacture
pencil leads
flexible pencil
flexible
leads
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
FR850061A
Other languages
English (en)
Inventor
Roque Onel Leon
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 filed Critical
Priority to FR850061A priority Critical patent/FR1300752A/fr
Application granted granted Critical
Publication of FR1300752A publication Critical patent/FR1300752A/fr
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)
FR850061A 1961-01-28 1961-01-28 Matière pour la fabrication de mines de crayons souples Expired FR1300752A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR850061A FR1300752A (fr) 1961-01-28 1961-01-28 Matière pour la fabrication de mines de crayons souples

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR850061A FR1300752A (fr) 1961-01-28 1961-01-28 Matière pour la fabrication de mines de crayons souples

Publications (1)

Publication Number Publication Date
FR1300752A true FR1300752A (fr) 1962-08-10

Family

ID=1571138

Family Applications (1)

Application Number Title Priority Date Filing Date
FR850061A Expired FR1300752A (fr) 1961-01-28 1961-01-28 Matière pour la fabrication de mines de crayons souples

Country Status (1)

Country Link
FR (1) FR1300752A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298507A (en) * 1980-03-11 1981-11-03 Leon Roque O L Flexible marking composition for pencils

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298507A (en) * 1980-03-11 1981-11-03 Leon Roque O L Flexible marking composition for pencils

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