BR9804996B1 - A process for obtaining oxidized polyacrylonitrile felts and carbon fiber felts from polyacrylonitrile felts, applied in the manufacture of carbon fiber reinforced carbon (crfc) composites with hybrid and sandwich configurations. - Google Patents

A process for obtaining oxidized polyacrylonitrile felts and carbon fiber felts from polyacrylonitrile felts, applied in the manufacture of carbon fiber reinforced carbon (crfc) composites with hybrid and sandwich configurations.

Info

Publication number
BR9804996B1
BR9804996B1 BR9804996A BR9804996A BR9804996B1 BR 9804996 B1 BR9804996 B1 BR 9804996B1 BR 9804996 A BR9804996 A BR 9804996A BR 9804996 A BR9804996 A BR 9804996A BR 9804996 B1 BR9804996 B1 BR 9804996B1
Authority
BR
Brazil
Prior art keywords
felts
carbon fiber
polyacrylonitrile
carbon
crfc
Prior art date
Application number
BR9804996A
Other languages
Portuguese (pt)
Other versions
BR9804996A (en
Inventor
Mirabel Cerqueira Rezende
Luiz Claudio Pardini
Evandro Luis Nohara
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.)
Filing date
Publication date
Application filed filed Critical
Priority to BR9804996A priority Critical patent/BR9804996B1/en
Publication of BR9804996A publication Critical patent/BR9804996A/en
Publication of BR9804996B1 publication Critical patent/BR9804996B1/en

Links

BR9804996A 1998-11-13 1998-11-13 A process for obtaining oxidized polyacrylonitrile felts and carbon fiber felts from polyacrylonitrile felts, applied in the manufacture of carbon fiber reinforced carbon (crfc) composites with hybrid and sandwich configurations. BR9804996B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR9804996A BR9804996B1 (en) 1998-11-13 1998-11-13 A process for obtaining oxidized polyacrylonitrile felts and carbon fiber felts from polyacrylonitrile felts, applied in the manufacture of carbon fiber reinforced carbon (crfc) composites with hybrid and sandwich configurations.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9804996A BR9804996B1 (en) 1998-11-13 1998-11-13 A process for obtaining oxidized polyacrylonitrile felts and carbon fiber felts from polyacrylonitrile felts, applied in the manufacture of carbon fiber reinforced carbon (crfc) composites with hybrid and sandwich configurations.

Publications (2)

Publication Number Publication Date
BR9804996A BR9804996A (en) 2000-06-06
BR9804996B1 true BR9804996B1 (en) 2009-05-05

Family

ID=4070955

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9804996A BR9804996B1 (en) 1998-11-13 1998-11-13 A process for obtaining oxidized polyacrylonitrile felts and carbon fiber felts from polyacrylonitrile felts, applied in the manufacture of carbon fiber reinforced carbon (crfc) composites with hybrid and sandwich configurations.

Country Status (1)

Country Link
BR (1) BR9804996B1 (en)

Also Published As

Publication number Publication date
BR9804996A (en) 2000-06-06

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Legal Events

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B07A Technical examination (opinion): publication of technical examination (opinion)
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted

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B22L Other matters related to patents and certificates of addition of invention: notification of licence offer (art 64 par 1 of lpi)

Free format text: CONDICOES CONTRATUAIS: 1) ROYALTIES: 5% (CINCO POR CENTO) SOBRE OS GANHOS AUFERIDOS NA VENDA OU USO; 2) PRAZO: 5 (CINCO) ANOS, A CONTAR DA DATA DE ASSINATURA DO CONTRATO; 3) CONDICOES DE PAGAMENTO: TRIMESTRAL, A CADA APURACAO DO FATURAMENTO DE VENDA OU USO NO PERIODO QUE ANTECEDE; 4) DISPONIBILIDADE DE KNOW-HOW: SIM; 5) ASSISTENCIA TECNICA: SIM.

B22L Other matters related to patents and certificates of addition of invention: notification of licence offer (art 64 par 1 of lpi)

Free format text: CONDICOES CONTRATUAIS: 1) ROYALTIES: 5% (CINCO POR CENTO) SOBRE OS GANHOS AUFERIDOS NA VENDA OU USO; 2) PRAZO: 5 (CINCO) ANOS, A CONTAR DA DATA DE ASSINATURA DO CONTRATO; 3) CONDICOES DE PAGAMENTO: TRIMESTRAL, A CADA APURACAO DO FATURAMENTO DE VENDA OU USO NO PERIODO QUE ANTECEDE; 4) DISPONIBILIDADE DE KNOW-HOW: SIM; 5) ASSISTENCIA TECNICA: SIM.

B22L Other matters related to patents and certificates of addition of invention: notification of licence offer (art 64 par 1 of lpi)

Free format text: CONDICOES CONTRATUAIS: 1) ROYALTIES: 5% (CINCO POR CENTO) SOBRE OS GANHOS AUFERIDOS NA VENDA OU USO; 2) PRAZO: 5 (CINCO) ANOS, A CONTAR DA DATA DE ASSINATURA DO CONTRATO; 3) CONDICOES DE PAGAMENTO: TRIMESTRAL, A CADA APURACAO DO FATURAMENTO DE VENDA OU USO NO PERIODO QUE ANTECEDE; 4) DISPONIBILIDADE DE KNOW-HOW: SIM; 5) ASSISTENCIA TECNICA: SIM.

B22L Other matters related to patents and certificates of addition of invention: notification of licence offer (art 64 par 1 of lpi)

Free format text: CONDICOES CONTRATUAIS: 1) ROYALTIES: 5% (CINCO POR CENTO) SOBRE OS GANHOS AUFERIDOS NA VENDA OU USO; 2) PRAZO: 5 (CINCO) ANOS, A CONTAR DA DATA DE ASSINATURA DO CONTRATO; 3) CONDICOES DE PAGAMENTO: TRIMESTRAL, A CADA APURACAO DO FATURAMENTO DE VENDA OU USO NO PERIODO QUE ANTECEDE; 4) DISPONIBILIDADE DE KNOW-HOW: SIM; 5) ASSISTENCIA TECNICA: SIM.

B22L Other matters related to patents and certificates of addition of invention: notification of licence offer (art 64 par 1 of lpi)
B22L Other matters related to patents and certificates of addition of invention: notification of licence offer (art 64 par 1 of lpi)

Free format text: CONDICOES CONTRATUAIS: 1) ROYALTIES: 5% (CINCO POR CENTO) SOBRE OS GANHOS AUFERIDOS NA VENDA OU USO; 2) PRAZO: 5 (CINCO) ANOS, A CONTAR DA DATA DE ASSINATURA DO CONTRATO; 3) CONDICOES DE PAGAMENTO: TRIMESTRAL, A CADA APURACAO DO FATURAMENTO DE VENDA OU USO NO PERIODO QUE ANTECEDE; 4) DISPONIBILIDADE DE KNOW- HOW: SIM; 5) ASSISTENCIA TECNICA: SIM.

B22L Other matters related to patents and certificates of addition of invention: notification of licence offer (art 64 par 1 of lpi)

Free format text: CONDICOES CONTRATUAIS: 1) ROYALTIES: 5% (CINCO POR CENTO) SOBRE OS GANHOS AUFERIDOS NA VENDA OU USO; 2) PRAZO: 5 (CINCO) ANOS, A CONTAR DA DATA DE ASSINATURA DO CONTRATO; 3) CONDICOES DE PAGAMENTO: TRIMESTRAL, A CADA APURACAO DO FATURAMENTO DE VENDA OU USO NO PERIODO QUE ANTECEDE; 4) DISPONIBILIDADE DE KNOW- HOW: SIM; 5) ASSISTENCIA TECNICA: SIM.

B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

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