CA757589A - Method of making roofing granules and product thereof - Google Patents

Method of making roofing granules and product thereof

Info

Publication number
CA757589A
CA757589A CA757589A CA757589DA CA757589A CA 757589 A CA757589 A CA 757589A CA 757589 A CA757589 A CA 757589A CA 757589D A CA757589D A CA 757589DA CA 757589 A CA757589 A CA 757589A
Authority
CA
Canada
Prior art keywords
product
roofing granules
making roofing
making
granules
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
CA757589A
Inventor
H. Fehner Robert
R. Lodge James
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
Publication date
Application granted granted Critical
Publication of CA757589A publication Critical patent/CA757589A/en
Expired legal-status Critical Current

Links

CA757589A Method of making roofing granules and product thereof Expired CA757589A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA757589T

Publications (1)

Publication Number Publication Date
CA757589A true CA757589A (en) 1967-04-25

Family

ID=36194694

Family Applications (1)

Application Number Title Priority Date Filing Date
CA757589A Expired CA757589A (en) Method of making roofing granules and product thereof

Country Status (1)

Country Link
CA (1) CA757589A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6156289A (en) * 1991-06-27 2000-12-05 Minerals Research & Recovery, Inc. Iron based roofing granules and method of coloring same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6156289A (en) * 1991-06-27 2000-12-05 Minerals Research & Recovery, Inc. Iron based roofing granules and method of coloring same

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