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Official data from INPI

PROCESSO DE PREPARAÇÃO DE UM COMPONENTE SÓLIDO DE UM CATALISADOR PARA USO NA POLIMERIZAÇÃO DE OLEFINAS

PublicadaInvention Patent

Application data

Number

PI8802116

Type

Invention Patent

Filing

05/02/1988

Publication

12/06/1988

Progress at the INPI

  1. Filing05/02/88
  2. Publication12/06/88
  3. Examination06/19/90
  4. Allowance08/01/95
  5. Abandoned
  6. In force

The application was allowed on 08/01/1995 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: 12/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Oil Company

US

See this company's full portfolio

Inventors

R. J. (pessoa física)

US

S. N. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

046.203 · 05/04/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/06/1988

RPI 946

Pedido de patente depositado

#2.1

09/20/1988

RPI 935

Arquivamento - Art. 38 §2° da LPI

#11.4

09/03/1996

RPI 1344

Notificação para pagamento de retribuição

#13.1

01/02/1996

RPI 1309

Deferimento

#9.1

08/01/1995

RPI 1287

Exigência - art. 36 da LPI

#6.1

07/20/1993

RPI 1181

Solicitação de exame técnico

#4.1

06/19/1990

RPI 1023

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