FR46316E - Goudrons-bitumes et leur fabrication - Google Patents

Goudrons-bitumes et leur fabrication

Info

Publication number
FR46316E
FR46316E FR46316DA FR46316E FR 46316 E FR46316 E FR 46316E FR 46316D A FR46316D A FR 46316DA FR 46316 E FR46316 E FR 46316E
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)
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.)
Societe de Recherches et de Perfectionnements Industriels SRPI
Original Assignee
Societe de Recherches et de Perfectionnements Industriels SRPI
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 Societe de Recherches et de Perfectionnements Industriels SRPI filed Critical Societe de Recherches et de Perfectionnements Industriels SRPI
Application granted granted Critical
Publication of FR46316E publication Critical patent/FR46316E/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
FR46316D 1935-01-09 1935-01-09 Goudrons-bitumes et leur fabrication Expired FR46316E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR46316T 1935-01-09

Publications (1)

Publication Number Publication Date
FR46316E true FR46316E (fr) 1936-04-30

Family

ID=8681951

Family Applications (1)

Application Number Title Priority Date Filing Date
FR46316D Expired FR46316E (fr) 1935-01-09 1935-01-09 Goudrons-bitumes et leur fabrication

Country Status (1)

Country Link
FR (1) FR46316E (fr)

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