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Official data from INPI

PROCESSO PARA PREPARAR UM HIDROXIARILALDEÍDO

DeferidaInvention Patent

Application data

Number

PI8305607

Type

Invention Patent

Filing

10/11/1983

Publication

05/22/1984

Progress at the INPI

  1. Filing10/11/83
  2. Publication05/22/84
  3. Examination08/12/86
  4. Allowance09/19/89
  5. Grant03/20/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. C. (pessoa física)

US

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Inventors

M. V. (pessoa física)

US

Technical data

Priority claims

US

433.745 · 10/12/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/19/1989

RPI 987

Exigência - art. 36 da LPI

#6.1

03/21/1989

RPI 961

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

05/22/1984

RPI 709

Pedido de patente depositado

#2.1

12/27/1983

RPI 688

Carta-patente expirada

#21.1

Patente extinta em 11/10/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/16/1990

RPI 1002

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