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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE ANIDRIDOS SUCCÍNICOS, PROCESSO PARA A PREPARAÇÃO DE UM DERIVADO DE ÁCIDO SUCCÍNICO, COMPOSIÇÃO DE ÓLEO LUBRIFICANTE, E CONCENTRADO

Prazo de SigiloInvention Patent

Application data

Number

PI8903909

Type

Invention Patent

Filing

08/03/1989

Publication

03/27/1990

Progress at the INPI

  1. Filing08/03/89
  2. Publication03/27/90
  3. Abandoned04/07/92
  4. Allowance
  5. Grant
  6. In force

The application was abandoned for failure to pay the annuities (art. 86 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

See this company's full portfolio

Inventors

H. V. (pessoa física)

NL

W. D. (pessoa física)

Technical data

Priority claims

GB

8818711.7 · 08/05/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/14/1989

RPI 995

Arquivamento por falta de pagamento

#8.6

Referente a 12ª,13ª,14ª,15ª e 16ª anuidades

08/30/2005

RPI 1808

Republicação - classificação IPC

#15.11

02/25/1997

RPI 1369

Recurso

#12.1

12/24/1996

RPI 1360

Deferimento

#9.1

07/16/1996

RPI 1337

Exigência - art. 36 da LPI

#6.1

09/19/1995

RPI 1294

Solicitação de exame técnico

#4.1

04/07/1992

RPI 1114

Publicação do pedido de patente

#3.1

03/27/1990

RPI 1011

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