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Official data from INPI

PROCESSO DE ELUTRIAÇÃO POR MEIO DE LÍQUIDO, PROCESSO DE ELUTRIAÇÃO DAS PARTÍCULAS DE CATALISADOR DO TIPO ZIEGLE-NATTA E APARELHO PARA ELUTRIAÇÃO DAS ALFGAS-OLEFINAS DO TIPO ZIEGLER-NATTA

PublicadaInvention Patent

Application data

Number

PI8700223

Type

Invention Patent

Filing

01/20/1987

Publication

12/01/1987

Progress at the INPI

  1. Filing01/20/87
  2. Publication12/01/87
  3. Abandoned06/19/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BP Chemicals Limited

GB

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Inventors

P. C. (pessoa física)

FR

Technical data

Priority claims

FR

86 00724 · 01/20/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/01/1987

RPI 893

Pedido de patente depositado

#2.1

05/19/1987

RPI 865

Arquivamento - Art. 36 §1° da LPI

#11.2

02/16/1994

RPI 1211

12.4

02/16/1994

RPI 1211

Petição de recurso

#12.2

12/28/1993

RPI 1204

Exigência - art. 36 da LPI

#6.1

06/29/1993

RPI 1178

Solicitação de exame técnico

#4.1

06/19/1990

RPI 1023

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