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Official data from INPI

COMPOSIÇÃO DE SOLVENTE ESTABILIZADA, PROCESSO PARA INIBIR A DESCOMPOSIÇÃO DE SOLVENTE, E PROCESSO PARA DESENGRAXAR METAL E OUTROS ARTIGOS

IndeferidaInvention Patent

Application data

Number

PI7904798

Type

Invention Patent

Filing

07/26/1979

Publication

-

Progress at the INPI

Under appeal
  1. Filing07/26/79
  2. Publication
  3. Examination04/27/82
  4. Refused06/07/88
  5. Grant
  6. In force

The application was refused by the INPI on 06/07/1988. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 06/07/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

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Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

06/07/1988

RPI 920

Conhecimento de parecer técnico

#7.1

10/18/1983

RPI 678

Solicitação de exame técnico

#4.1

04/27/1982

RPI 601

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C07C 7/18.

03/27/2018

RPI 2464

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