CA391462A - Noir de charbon - Google Patents

Noir de charbon

Info

Publication number
CA391462A
CA391462A CA391462A CA391462DA CA391462A CA 391462 A CA391462 A CA 391462A CA 391462 A CA391462 A CA 391462A CA 391462D A CA391462D A CA 391462DA CA 391462 A CA391462 A CA 391462A
Authority
CA
Canada
Prior art keywords
carbon black
black
carbon
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
CA391462A
Other languages
English (en)
Inventor
Bryan Wiegand William
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA391462A publication Critical patent/CA391462A/fr
Expired legal-status Critical Current

Links

CA391462A Noir de charbon Expired CA391462A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA391462T

Publications (1)

Publication Number Publication Date
CA391462A true CA391462A (fr) 1940-09-24

Family

ID=35399007

Family Applications (1)

Application Number Title Priority Date Filing Date
CA391462A Expired CA391462A (fr) Noir de charbon

Country Status (1)

Country Link
CA (1) CA391462A (fr)

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