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Official data from INPI

PROCESSO PARA A COPRODUÇÃO DE ÁCIDOS CARBOXÍLICOS DE FÓRMULA GERAL R1 - COOH E R2 - COOH E ÉSTERES DE ÁCIDO CARBOXÍLICO DE FÓRMULA GERAL R1 - COOCH2 R2 E R2 - COOCH2 R1

ArquivadaInvention Patent

Application data

Number

PI8207109

Type

Invention Patent

Filing

12/08/1982

Publication

10/11/1983

Progress at the INPI

  1. Filing12/08/82
  2. Publication10/11/83
  3. Abandoned11/26/85
  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: 10/18/1988. 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

D. E. (pessoa física)

Technical data

Priority claims

GB

8137359 · 12/10/1981

GB

8220848 · 07/19/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

10/18/1988

RPI 939

Exigência - art. 36 da LPI

#6.1

04/26/1988

RPI 914

Exigência - art. 36 da LPI

#6.1

09/01/1987

RPI 880

Solicitação de exame técnico

#4.1

11/26/1985

RPI 788

Publicação do pedido de patente

#3.1

10/11/1983

RPI 677

Pedido de patente depositado

#2.1

02/01/1983

RPI 641

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