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Official data from INPI

LUBRIFICANTE DE REFRIGERAÇÃO E PROCESSO PARA SUA PREPARAÇÃO

ArquivadaInvention Patent

Application data

Number

PI9001089

Type

Invention Patent

Filing

03/07/1990

Publication

03/05/1991

Progress at the INPI

  1. Filing03/07/90
  2. Publication03/05/91
  3. Abandoned05/04/93
  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.

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Latest action published by the INPI: 02/12/1997. 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

J. R. (pessoa física)

P. K. (pessoa física)

NL

Technical data

Priority claims

GB

8905379.7 · 03/09/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

02/12/1997

RPI 1367

Arquivamento - Art. 36 §1° da LPI

#11.2

08/06/1996

RPI 1340

Exigência - art. 36 da LPI

#6.1

10/31/1995

RPI 1300

Solicitação de exame técnico

#4.1

05/04/1993

RPI 1170

Publicação do pedido de patente

#3.1

03/05/1991

RPI 1057

Pedido de patente depositado

#2.1

05/22/1990

RPI 1019

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