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Official data from INPI

PROCESSO E CATALISADOR PARA POLIMERIZAR OU COPOLIMERIZAR ALFA-OLEFINAS

Em AnáliseInvention Patent

Application data

Number

PI7608276

Type

Invention Patent

Filing

12/10/1975

Publication

-

Progress at the INPI

  1. Filing12/10/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. In force12/10/95

The patent was granted on 07/27/1982 and is in force until 12/10/1995. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:12/10/1995

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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

M. I. (pessoa física)

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Inventors

K. N. (pessoa física)

M. S. (pessoa física)

O. K. (pessoa física)

T. A. (pessoa física)

U. Y. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.3

11/01/1988

RPI 941

22.3

06/16/1987

RPI 869

18.1

09/16/1986

RPI 830

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

12/08/1981

RPI 581

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