CA249386A - Traitement du goudron - Google Patents

Traitement du goudron

Info

Publication number
CA249386A
CA249386A CA249386A CA249386DA CA249386A CA 249386 A CA249386 A CA 249386A CA 249386 A CA249386 A CA 249386A CA 249386D A CA249386D A CA 249386DA CA 249386 A CA249386 A CA 249386A
Authority
CA
Canada
Prior art keywords
treatment
coal tar
tar
coal
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
CA249386A
Other languages
English (en)
Inventor
Edwin Windsor Richards Walter
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.)
SILUMINITE INSULATOR CO
Original Assignee
SILUMINITE INSULATOR CO
Publication date
Application granted granted Critical
Publication of CA249386A publication Critical patent/CA249386A/fr
Expired legal-status Critical Current

Links

CA249386A Traitement du goudron Expired CA249386A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA249386T

Publications (1)

Publication Number Publication Date
CA249386A true CA249386A (fr) 1925-05-05

Family

ID=35156360

Family Applications (1)

Application Number Title Priority Date Filing Date
CA249386A Expired CA249386A (fr) Traitement du goudron

Country Status (1)

Country Link
CA (1) CA249386A (fr)

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