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Official data from INPI

PROCESSO PARA O TRATAMENTO DE RESIDUOS DO PETROLEO

Em AnáliseInvention Patent
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Application data

Number

PI8303195

Type

Invention Patent

Filing

09/30/1982

Publication

06/12/1984
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Progress at the INPI

  1. Filing09/30/82
  2. Publication01/19/82
  3. Examination03/12/85
  4. Refused02/17/88
  5. Grant
  6. In force

The application was refused on 02/17/1988 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INTEVEP SA [VE]

Inventors

P. R. (pessoa física)

P. M. (pessoa física)

Technical data

IPC Classification

C10G 67/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

02/17/1988

RPI 904

Petição de recurso

#12.2

06/23/1987

RPI 870

Republicação - classificação IPC

#15.11

04/22/1987

RPI 861

Indeferimento

#9.2

03/17/1987

RPI 856

Conhecimento de parecer técnico

#7.1

01/07/1986

RPI 794

Pedido de certificado de adição de invenção

#5.1

08/13/1985

RPI 773

Solicitação de exame técnico

#4.1

03/12/1985

RPI 751

Solicitação de exame não realizada

#4.2

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

06/12/1984

RPI 712

Pedido de patente depositado

#2.1

07/26/1983

RPI 666

Publicação do pedido de patente

#3.1

01/19/1982

RPI 587

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