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Official data from INPI

PROCESSO PARA PREPARAR UMA MISTURA DE ÁCIDOS POLICARBOXÍLICOS AROMÁTICOS POLICÍCLICOS, E A MISTURA RESULTANTE.

ArquivadaInvention Patent

Application data

Number

PI8104706

Type

Invention Patent

Filing

07/22/1981

Publication

03/01/1983

Progress at the INPI

  1. Filing07/22/81
  2. Publication03/01/83
  3. Abandoned04/30/85
  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.

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Latest action published by the INPI: 10/14/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gulf Research & Development Company

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Inventors

M. G. (pessoa física)

S. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

10/14/1986

RPI 834

Exigência - art. 36 da LPI

#6.1

12/31/1985

RPI 793

Solicitação de exame técnico

#4.1

04/30/1985

RPI 758

Publicação do pedido de patente

#3.1

03/01/1983

RPI 645

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