CA77982A - Fabrication de goudron de houille et brai - Google Patents

Fabrication de goudron de houille et brai

Info

Publication number: CA77982A
Authority: CA; Canada
Prior art keywords: pitch; manufacture; coal tar; tar; coal
Prior art date: 1902-06-27
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

CA000077982A

Other languages

English (en)

Inventor

Frederick John Warren

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

Priority date (The priority date 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 date listed.)

1902-06-27

Filing date

1902-06-27

Publication date

1902-10-28

1902-06-27 Application filed by Individual filed Critical Individual

1902-10-28 Application granted granted Critical

1902-10-28 Publication of CA77982A publication Critical patent/CA77982A/fr

Status Expired legal-status Critical Current

Links

239000011300 coal pitch Substances 0.000 title 1
239000011280 coal tar Substances 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1

CA000077982A 1902-06-27 1902-06-27 Fabrication de goudron de houille et brai Expired CA77982A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA77982T		1902-06-27

Publications (1)

Publication Number	Publication Date
CA77982A true CA77982A (fr)	1902-10-28

Family

ID=45194518

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000077982A Expired CA77982A (fr)	1902-06-27	1902-06-27	Fabrication de goudron de houille et brai

Country Status (1)

Country	Link
CA (1)	CA77982A (fr)

1902
- 1902-06-27 CA CA000077982A patent/CA77982A/fr not_active Expired

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