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Official data from INPI

PROCESSOS PARA PREPARACAO DE COMPOSTO DE MAGNESIO SOLUVEL EM HIDROCARBONETO, PARA PREPARACAO DE CATALISADOR DE POLIMERIZACAO DE OLEFINAS E PARA REALIZAR REACOES DE POLIMERIZACAO

Em AnáliseInvention Patent

Application data

Number

PI8305351

Type

Invention Patent

Filing

09/30/1982

Publication

05/08/1984

Progress at the INPI

  1. Filing09/30/82
  2. Publication05/08/84
  3. Examination06/10/86
  4. Allowance07/25/89
  5. Abandoned
  6. In force

The application was allowed on 07/25/1989 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

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Inventors

G. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/21/1989

RPI 996

Deferimento

#9.1

07/25/1989

RPI 979

Exigência - art. 36 da LPI

#6.1

06/14/1988

RPI 921

Solicitação de exame técnico

#4.1

06/10/1986

RPI 816

Publicação do pedido de patente

#3.1

05/08/1984

RPI 707

Pedido de patente depositado

#2.1

12/13/1983

RPI 686

Arquivamento - Art. 38 §2° da LPI

#11.4

06/19/1990

RPI 1023

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