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Official data from INPI

Processo de estabilização da viscosidade de soluções salinas de polissacarídeos e processo de recuperação secundária e terciária do petróleo.

Em AnáliseInvention Patent

Application data

Number

PI8506040

Type

Invention Patent

Filing

12/03/1985

Publication

08/19/1986

Progress at the INPI

  1. Filing12/03/85
  2. Publication08/19/86
  3. Abandoned09/06/88
  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: 09/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

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Inventors

J. L. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

84 18506 · 12/05/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/06/1988

RPI 933

Publicação do pedido de patente

#3.1

08/19/1986

RPI 826

Pedido de patente depositado

#2.1

01/28/1986

RPI 797

Republicação - classificação IPC

#15.11

08/11/1992

RPI 1132

Arquivamento - Art. 36 §1° da LPI

#11.2

06/30/1992

RPI 1126

Exigência - art. 36 da LPI

#6.1

10/01/1991

RPI 1087

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