CA482140A - Noir de charbon - Google Patents

Noir de charbon

Info

Publication number
CA482140A
CA482140A CA482140A CA482140DA CA482140A CA 482140 A CA482140 A CA 482140A CA 482140 A CA482140 A CA 482140A CA 482140D A CA482140D A CA 482140DA CA 482140 A CA482140 A CA 482140A
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
CA482140A
Other languages
English (en)
Inventor
B. Wiegand William
W. Sweitzer Carl
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.)
Columbian Carbon Co
Original Assignee
Columbian Carbon Co
Publication date
Application granted granted Critical
Publication of CA482140A publication Critical patent/CA482140A/fr
Expired legal-status Critical Current

Links

CA482140A Noir de charbon Expired CA482140A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA482140T

Publications (1)

Publication Number Publication Date
CA482140A true CA482140A (fr) 1952-04-01

Family

ID=35621828

Family Applications (1)

Application Number Title Priority Date Filing Date
CA482140A Expired CA482140A (fr) Noir de charbon

Country Status (1)

Country Link
CA (1) CA482140A (fr)

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