FR44832E - Goudrons-bitumes et leur fabrication - Google Patents

Goudrons-bitumes et leur fabrication

Info

Publication number
FR44832E
FR44832E FR44832DA FR44832E FR 44832 E FR44832 E FR 44832E FR 44832D A FR44832D A FR 44832DA FR 44832 E FR44832 E FR 44832E
Authority
FR
France
Prior art keywords
bitumens
tar
manufacture
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
Other languages
English (en)
Inventor
Andre Leaute
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.)
Rech S & De Perfectionnements
Original Assignee
Rech S & De Perfectionnements
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 Rech S & De Perfectionnements filed Critical Rech S & De Perfectionnements
Application granted granted Critical
Publication of FR44832E publication Critical patent/FR44832E/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
FR44832D 1934-01-05 1934-01-05 Goudrons-bitumes et leur fabrication Expired FR44832E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR44832T 1934-01-05

Publications (1)

Publication Number Publication Date
FR44832E true FR44832E (fr) 1935-04-15

Family

ID=8680626

Family Applications (1)

Application Number Title Priority Date Filing Date
FR44832D Expired FR44832E (fr) 1934-01-05 1934-01-05 Goudrons-bitumes et leur fabrication

Country Status (1)

Country Link
FR (1) FR44832E (fr)

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