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Official data from INPI

PROCESSO PARA DESENCERAÇÃO CATALÍTICA DE MAIS DO QUE UM PRECURSOR DE ÓLEO BÁSICO LUBRIFICANTE DERIVADO DE REFINARIA

PublicadaInvention Patent

Application data

Number

PI8606234

Type

Invention Patent

Filing

12/17/1986

Publication

09/29/1987

Progress at the INPI

  1. Filing12/17/86
  2. Publication09/29/87
  3. Examination02/13/90
  4. Allowance07/18/95
  5. Abandoned
  6. In force

The application was allowed on 07/18/1995 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

B. W. (pessoa física)

US

J. B. (pessoa física)

US

S. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

813,214 · 12/24/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/29/1987

RPI 884

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Arquivamento - Art. 38 §2° da LPI

#11.4

07/09/1996

RPI 1336

Notificação para pagamento de retribuição

#13.1

11/28/1995

RPI 1304

Deferimento

#9.1

07/18/1995

RPI 1285

Exigência - art. 36 da LPI

#6.1

03/02/1993

RPI 1161

Pedido de certificado de adição de invenção

#5.1

04/10/1990

RPI 1013

Solicitação de exame técnico

#4.1

02/13/1990

RPI 1006

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