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Official data from INPI

PROCESSO PARA SEPARAÇÃO SELETIVA DE PELO MENOS UM COMPONENTE DE UMA CORRENTE GASOSA DE ALIMENTAÇÃO, PROCESSO PARA SEPARAÇÃO DE OLEFINAS EM FASE GASOSA DE UMA CORRENTE DE ALIMENTAÇÃO CONTENDO OLEFINA

ArquivadaInvention Patent

Application data

Number

PI9101408

Type

Invention Patent

Filing

04/09/1991

Publication

11/26/1991

Progress at the INPI

  1. Filing04/09/91
  2. Publication11/26/91
  3. Abandoned01/25/94
  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: 06/15/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Standard Oil Company

US

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Inventors

A. V. (pessoa física)

US

J. D. (pessoa física)

US

R. E. (pessoa física)

US

R. V. (pessoa física)

US

Technical data

Priority claims

US

506,721 · 04/09/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

06/15/1999

RPI 1484

Exigência - art. 36 da LPI

#6.1

07/07/1998

RPI 1437

Solicitação de exame técnico

#4.1

01/25/1994

RPI 1208

Publicação do pedido de patente

#3.1

11/26/1991

RPI 1095

Pedido de patente depositado

#2.1

09/24/1991

RPI 1086

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