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Official data from INPI

PROCESSO PARA PRODUÇÃO DE BUTANOL POR FERMENTAÇÃO CONTÍNUA DE UM CARBOIDRATO COM UM FILTRADO DE C.ACETOBUTYLICUM

ConcedidaInvention Patent

Application data

Number

PI8306205

Type

Invention Patent

Filing

11/11/1983

Publication

06/19/1984

Progress at the INPI

  1. Filing11/11/83
  2. Publication06/19/84
  3. Examination08/12/86
  4. Allowance04/25/89
  5. Grant10/24/89
  6. Terminated05/09/95

The patent was granted on 10/24/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CPC International Inc.

US

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Inventors

J. F. (pessoa física)

US

R. H. (pessoa física)

US

Technical data

Priority claims

US

442,806 · 11/18/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

08/22/1989

RPI 983

Deferimento

#9.1

04/25/1989

RPI 966

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

06/19/1984

RPI 713

Pedido de patente depositado

#2.1

01/24/1984

RPI 692

Anuidade - prazo legal encerrado

#18.2

05/09/1995

RPI 1275

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