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Official data from INPI

PROCESSO PARA PRODUZIR UMA PARTÍCULA DE ADITIVO REVESTIDO ADEQUADA PARA SER USADA EM UMA REAÇÃO DE POLIMERIZAÇÃO DE OLEFINA; E PROCESSO PARA PROPORCIONAR A ESTABILIZAÇÃO DE UMA OLEFINA, NO REATOR, DURANTE UMA REAÇÃO DE POLIMERIZAÇÃO

PublicadaInvention Patent

Application data

Number

PI8900281

Type

Invention Patent

Filing

01/24/1989

Publication

09/19/1989

Progress at the INPI

  1. Filing01/24/89
  2. Publication09/19/89
  3. Abandoned09/11/90
  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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Oil Company

US

See this company's full portfolio

Inventors

A. C. (pessoa física)

Technical data

Priority claims

US

147.953 · 01/25/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/19/1989

RPI 987

Pedido de patente depositado

#2.1

03/07/1989

RPI 959

Arquivamento - Art. 36 §1° da LPI

#11.2

02/13/1996

RPI 1315

Exigência - art. 36 da LPI

#6.1

05/23/1995

RPI 1277

Solicitação de exame técnico

#4.1

09/11/1990

RPI 1032

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