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Official data from INPI

PROCESSO PARA POLIMERIZACAO DE ETILENO E/OU ALFA-OLEFINAS E CATALISADOR PARA O MESMO

Em AnáliseInvention Patent
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Application data

Number

PI7704640

Type

Invention Patent

Filing

07/15/1976

Publication

-
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Progress at the INPI

  1. Filing07/15/76
  2. Publication
  3. Examination
  4. Allowance11/13/84
  5. Grant07/30/85
  6. Terminated12/15/87

The patent was granted on 07/30/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

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Inventors

I. A. (pessoa física)

I. T. (pessoa física)

K. M. (pessoa física)

S. H. (pessoa física)

Technical data

IPC Classification

C08F 10/00C08F 10/02C08F 4/64

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

6.5

02/28/1984

RPI 697

11.7

01/17/1984

RPI 691

Arquivamento - Art. 36 §1° da LPI

#11.2

11/22/1983

RPI 683

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