BR9301826A - Process of obtaining ceramics from coal tailings - Google Patents
Process of obtaining ceramics from coal tailingsInfo
- Publication number
- BR9301826A BR9301826A BR9301826A BR9301826A BR9301826A BR 9301826 A BR9301826 A BR 9301826A BR 9301826 A BR9301826 A BR 9301826A BR 9301826 A BR9301826 A BR 9301826A BR 9301826 A BR9301826 A BR 9301826A
- Authority
- BR
- Brazil
- Prior art keywords
- coal tailings
- obtaining ceramics
- ceramics
- obtaining
- tailings
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9301826A BR9301826A (en) | 1993-05-07 | 1993-05-07 | Process of obtaining ceramics from coal tailings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9301826A BR9301826A (en) | 1993-05-07 | 1993-05-07 | Process of obtaining ceramics from coal tailings |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9301826A true BR9301826A (en) | 1994-06-07 |
Family
ID=4056407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9301826A BR9301826A (en) | 1993-05-07 | 1993-05-07 | Process of obtaining ceramics from coal tailings |
Country Status (1)
Country | Link |
---|---|
BR (1) | BR9301826A (en) |
-
1993
- 1993-05-07 BR BR9301826A patent/BR9301826A/en not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FF | Decision: intention to grant | ||
HO | Change of classification |
Free format text: ALTERADA A CLASSIFICACAO DE C04B 35/00 |
|
FG9A | Patent or certificate of addition granted | ||
B24C | Patent annual fee: request for for restoration |
Free format text: REFERENTE A 15A , 16A E 17A ANUIDADES. |
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B24D | Patent annual fee: restoration after fee payment | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 07/05/2013 |