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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE COMPOSTOS

ConcedidaInvention Patent

Application data

Number

PI8301340

Type

Invention Patent

Filing

03/17/1983

Publication

11/29/1983

Progress at the INPI

  1. Filing03/17/83
  2. Publication11/29/83
  3. Examination12/24/85
  4. Allowance11/01/88
  5. Grant08/29/89
  6. Terminated08/29/95

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Montedison S.p.A.

IT

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Inventors

E. S. (pessoa física)

IT

F. G. (pessoa física)

IT

G. C. (pessoa física)

IT

O. P. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

20272 A/82 · 03/19/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

Conhecimento de parecer técnico

#7.1

06/07/1988

RPI 920

Solicitação de exame técnico

#4.1

12/24/1985

RPI 792

Publicação do pedido de patente

#3.1

11/29/1983

RPI 684

Pedido de patente depositado

#2.1

05/03/1983

RPI 654

Anuidade - prazo legal encerrado

#18.2

08/29/1995

RPI 1291

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