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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE ÓXIDO DE ETILENO COM SEPARAÇÃO DE DIÓXIDO DE CARBONO GASOSO

ArquivadaInvention Patent

Application data

Number

PI8905861

Type

Invention Patent

Filing

11/22/1989

Publication

06/12/1990

Progress at the INPI

  1. Filing11/22/89
  2. Publication06/12/90
  3. Examination06/23/92
  4. Allowance02/29/00
  5. Abandoned
  6. In force

The application was allowed on 02/29/2000 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: 02/28/2001. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

H. S. (pessoa física)

J. B. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8827265.3 · 11/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

02/28/2001

RPI 1573

Deferimento

#9.1

02/29/2000

RPI 1521

11.13

Ref. RPI 1492 de 10/08/99

08/31/1999

RPI 1495

Arquivamento - Art. 36 §1° da LPI

#11.2

08/10/1999

RPI 1492

Exigência - art. 36 da LPI

#6.1

10/27/1998

RPI 1451

Exigência - art. 36 da LPI

#6.1

05/30/1995

RPI 1278

Solicitação de exame técnico

#4.1

06/23/1992

RPI 1125

Publicação do pedido de patente

#3.1

06/12/1990

RPI 1022

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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