FR2151131A1 - Carbon-contg hollow microspheres - produced from pitch by finely dividing foaming and heating - Google Patents

Carbon-contg hollow microspheres - produced from pitch by finely dividing foaming and heating

Info

Publication number
FR2151131A1
FR2151131A1 FR7231373A FR7231373A FR2151131A1 FR 2151131 A1 FR2151131 A1 FR 2151131A1 FR 7231373 A FR7231373 A FR 7231373A FR 7231373 A FR7231373 A FR 7231373A FR 2151131 A1 FR2151131 A1 FR 2151131A1
Authority
FR
France
Prior art keywords
heating
contg
foaming
produced
hollow microspheres
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.)
Granted
Application number
FR7231373A
Other languages
English (en)
French (fr)
Other versions
FR2151131B1 (OSRAM
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.)
Tekkosha Co Ltd
Original Assignee
Tekkosha 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
Application filed by Tekkosha Co Ltd filed Critical Tekkosha Co Ltd
Publication of FR2151131A1 publication Critical patent/FR2151131A1/fr
Application granted granted Critical
Publication of FR2151131B1 publication Critical patent/FR2151131B1/fr
Granted 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
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B48/00—Quinacridones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D219/00—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems
    • C07D219/04—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
    • C07D219/08—Nitrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
FR7231373A 1970-12-30 1972-09-05 Carbon-contg hollow microspheres - produced from pitch by finely dividing foaming and heating Granted FR2151131A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12244570 1970-12-30

Publications (2)

Publication Number Publication Date
FR2151131A1 true FR2151131A1 (en) 1973-04-13
FR2151131B1 FR2151131B1 (OSRAM) 1975-06-13

Family

ID=14836009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7231373A Granted FR2151131A1 (en) 1970-12-30 1972-09-05 Carbon-contg hollow microspheres - produced from pitch by finely dividing foaming and heating

Country Status (1)

Country Link
FR (1) FR2151131A1 (OSRAM)

Also Published As

Publication number Publication date
FR2151131B1 (OSRAM) 1975-06-13

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Legal Events

Date Code Title Description
ST Notification of lapse