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Official data from INPI

COMPONENTES CATALITICOS PARA A POLIMERIZACAO DE OLEFINAS,PROCESSO PARA SUA PREPARACAO,CATALIZADOR PARA COPOLIMERIZACAO DE OLEFINAS,E PROCESSO PARA POLIMERIZACAO

Em AnáliseInvention Patent

Application data

Number

PI7604711

Type

Invention Patent

Filing

07/21/1975

Publication

-

Progress at the INPI

  1. Filing07/21/75
  2. Publication
  3. Examination
  4. Allowance10/06/81
  5. Grant10/26/82
  6. In force07/21/95

The patent was granted on 10/26/1982 and is in force until 07/21/1995. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:07/21/1995

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Latest action published by the INPI: 11/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MONTEDISON SPA

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Inventors

A. E. (pessoa física)

G. U. (pessoa física)

P. S. (pessoa física)

P. F. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.3

11/01/1988

RPI 941

18.1

05/17/1988

RPI 917

22.2

06/16/1987

RPI 869

18.1

09/16/1986

RPI 830

Concessão da patente

#16.1

10/26/1982

RPI 627

Notificação para pagamento de retribuição

#13.1

02/02/1982

RPI 589

Deferimento

#9.1

10/06/1981

RPI 572

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