BR6910831D0 - Processo para a producao de negro de fumo - Google Patents

Processo para a producao de negro de fumo

Info

Publication number: BR6910831D0
Authority: BR; Brazil
Prior art keywords: production; black smoke; smoke; black
Prior art date: 1968-07-22

Application number

BR21083169A

Other languages

English (en)

Inventor

Petroleum Co Phillips

Original Assignee

Petroleum Co Phillips

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.)

1968-07-22

Filing date

1969-07-18

Publication date

1973-05-31

1969-07-18 Application filed by Petroleum Co Phillips filed Critical Petroleum Co Phillips

1973-05-31 Publication of BR6910831D0 publication Critical patent/BR6910831D0/pt

Links

BR21083169A 1968-07-22 1969-07-18 Processo para a producao de negro de fumo BR6910831D0 (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US74643568A	1968-07-22	1968-07-22

Publications (1)

Publication Number	Publication Date
BR6910831D0 true BR6910831D0 (pt)	1973-05-31

Family

ID=25000828

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR21083169A BR6910831D0 (pt)	1968-07-22	1969-07-18	Processo para a producao de negro de fumo

Country Status (5)

Country	Link
BR (1)	BR6910831D0 (pt)
DE (1)	DE1937042A1 (pt)
ES (1)	ES369396A1 (pt)
FR (1)	FR2013486A1 (pt)
GB (1)	GB1257855A (pt)

1969
- 1969-07-11 ES ES369396A patent/ES369396A1/es not_active Expired
- 1969-07-18 BR BR21083169A patent/BR6910831D0/pt unknown
- 1969-07-21 GB GB1257855D patent/GB1257855A/en not_active Expired
- 1969-07-21 DE DE19691937042 patent/DE1937042A1/de active Pending
- 1969-07-22 FR FR6924974A patent/FR2013486A1/fr not_active Withdrawn

Also Published As

Publication number	Publication date
GB1257855A (pt)	1971-12-22
ES369396A1 (es)	1971-06-16
FR2013486A1 (pt)	1970-04-03
DE1937042A1 (de)	1970-07-02

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