CA581909A - Eraser compositions containing rubber polyisobutylene and an abrasive - Google Patents

Eraser compositions containing rubber polyisobutylene and an abrasive

Info

Publication number
CA581909A
CA581909A CA581909A CA581909DA CA581909A CA 581909 A CA581909 A CA 581909A CA 581909 A CA581909 A CA 581909A CA 581909D A CA581909D A CA 581909DA CA 581909 A CA581909 A CA 581909A
Authority
CA
Canada
Prior art keywords
abrasive
compositions containing
containing rubber
eraser
rubber polyisobutylene
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
CA581909A
Other languages
French (fr)
Inventor
L. Smith Charles
G. Brand Benson
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 CA581909A publication Critical patent/CA581909A/en
Expired legal-status Critical Current

Links

CA581909A Eraser compositions containing rubber polyisobutylene and an abrasive Expired CA581909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA581909T

Publications (1)

Publication Number Publication Date
CA581909A true CA581909A (en) 1959-08-25

Family

ID=35761341

Family Applications (1)

Application Number Title Priority Date Filing Date
CA581909A Expired CA581909A (en) Eraser compositions containing rubber polyisobutylene and an abrasive

Country Status (1)

Country Link
CA (1) CA581909A (en)

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