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Official data from INPI

METODO PARA PROCESSAMENTO DE OLEO CRU PESADO

Em AnáliseInvention Patent
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Application data

Number

PI8406367

Type

Invention Patent

Filing

12/07/1983

Publication

10/08/1985
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Progress at the INPI

  1. Filing12/07/83
  2. Publication10/08/85
  3. Examination06/02/87
  4. Refused02/16/93
  5. Grant
  6. In force

The application was refused on 02/16/1993 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MEXICANO INST PETROL [MX]

Inventors

B. C. (pessoa física)

L. L. (pessoa física)

P. H. (pessoa física)

Technical data

IPC Classification

C10G 55/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

15.15

11/28/1989

RPI 997

Pedido de certificado de adição de invenção

#5.1

07/28/1987

RPI 875

Solicitação de exame técnico

#4.1

06/02/1987

RPI 867

Publicação do pedido de patente

#3.1

10/08/1985

RPI 781

Pedido de patente depositado

#2.1

03/05/1985

RPI 750

111

02/16/1993

RPI 1159

Petição de recurso

#12.2

10/29/1991

RPI 1091

Retificação

#15.6

09/10/1991

RPI 1084

Retificação

#15.3

05/28/1991

RPI 1069

Indeferimento

#9.2

02/13/1991

RPI 1054

Conhecimento de parecer técnico

#7.1

08/21/1990

RPI 1029

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