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Official data from INPI

MÉTODO PARA PRODUZIR PARTÍCULAS DE HALOGENETO DE MAGNÉSIO CRISTALINO; MÉTODO PARA PRODUZIR PARTÍCULAS SUPORTADAS; MÉTODO PARA PRODUZIR UM COMPONENTE PRÓ-CATALÍTICO, E MÉTODO DE PREPARAÇÃO DE UM POLÍMERO DE OLEFINA

PublicadaInvention Patent

Application data

Number

PI8803176

Type

Invention Patent

Filing

06/28/1988

Publication

02/08/1989

Progress at the INPI

  1. Filing06/28/88
  2. Publication02/08/89
  3. Abandoned05/14/91
  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: 02/08/1989. 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

Technical data

IPC Classification

Priority claims

US

067.040 · 06/29/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/08/1989

RPI 955

Pedido de patente depositado

#2.1

11/22/1988

RPI 944

Arquivamento - Art. 36 §1° da LPI

#11.2

11/07/1995

RPI 1301

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

05/14/1991

RPI 1067

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