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Official data from INPI

PROCESSO DE PRODUÇÃO DE UM ÓXIDO DE OLEFINA

Em AnáliseInvention Patent

Application data

Number

PI7900813

Type

Invention Patent

Filing

02/09/1979

Publication

-

Progress at the INPI

  1. Filing02/09/79
  2. Publication
  3. Examination10/13/81
  4. Allowance03/01/83
  5. Grant11/29/83
  6. In force02/09/99

The patent was granted on 11/29/1983 and is in force until 02/09/1999. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:02/09/1999

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Latest action published by the INPI: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

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Inventors

B. J. (pessoa física)

C. R. (pessoa física)

C. G. (pessoa física)

F. A. (pessoa física)

H. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.1

08/15/1989

RPI 982

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

06/21/1983

RPI 661

Deferimento

#9.1

03/01/1983

RPI 645

6.2

05/04/1982

RPI 602

Solicitação de exame técnico

#4.1

10/13/1981

RPI 573

18.3

06/05/1990

RPI 1021

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