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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM DERIVADO DE ÉTER DIFENÍLICO,COMPOSTO E PROCESSO PARA PREPARAÇÃO DE UM COMPOSTO

PublicadaInvention Patent

Application data

Number

PI8804430

Type

Invention Patent

Filing

08/30/1988

Publication

03/28/1989

Progress at the INPI

  1. Filing08/30/88
  2. Publication03/28/89
  3. Abandoned04/02/91
  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: 03/28/1989. 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. W. (pessoa física)

GB

S. B. (pessoa física)

GB

Technical data

Priority claims

GB

8720511 · 09/01/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/28/1989

RPI 962

Pedido de patente depositado

#2.1

01/24/1989

RPI 953

Republicação - classificação IPC

#15.11

02/18/1997

RPI 1368

Arquivamento - Art. 36 §1° da LPI

#11.2

10/31/1995

RPI 1300

Exigência - art. 36 da LPI

#6.1

01/31/1995

RPI 1261

Solicitação de exame técnico

#4.1

04/02/1991

RPI 1061

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