CA336923A - Traitement du goudron et de la poix - Google Patents

Traitement du goudron et de la poix

Info

Publication number
CA336923A
CA336923A CA336923A CA336923DA CA336923A CA 336923 A CA336923 A CA 336923A CA 336923 A CA336923 A CA 336923A CA 336923D A CA336923D A CA 336923DA CA 336923 A CA336923 A CA 336923A
Authority
CA
Canada
Prior art keywords
tar
pitch processing
pitch
processing
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
CA336923A
Other languages
English (en)
Inventor
S. Reeve Charles
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.)
Barrett Co Inc
Original Assignee
Barrett Co Inc
Publication date
Application granted granted Critical
Publication of CA336923A publication Critical patent/CA336923A/fr
Expired legal-status Critical Current

Links

CA336923A Traitement du goudron et de la poix Expired CA336923A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA336923T

Publications (1)

Publication Number Publication Date
CA336923A true CA336923A (fr) 1933-11-07

Family

ID=35300065

Family Applications (1)

Application Number Title Priority Date Filing Date
CA336923A Expired CA336923A (fr) Traitement du goudron et de la poix

Country Status (1)

Country Link
CA (1) CA336923A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1150997B (de) * 1957-05-21 1963-07-04 Ruetgerswerke Ag Verfahren zur Herstellung von aschefreien Pechen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1150997B (de) * 1957-05-21 1963-07-04 Ruetgerswerke Ag Verfahren zur Herstellung von aschefreien Pechen

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