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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM CATALISADOR APROPRIADO PARA A ISOMERAÇÃO DE PARAFINAS NORMAIS, CATALISADORES, PROCESSO PARA ISOMERAÇÃO DE PARAFINAS NORMAIS E HIDROCARBONETOS ISOMERIZADOS.

ConcedidaInvention Patent

Application data

Number

PI8105383

Type

Invention Patent

Filing

08/24/1981

Publication

08/31/1982

Progress at the INPI

  1. Filing08/24/81
  2. Publication08/31/82
  3. Examination08/28/84
  4. Allowance03/11/86
  5. Grant10/27/87
  6. In force08/24/01

The patent was granted on 10/27/1987 and is in force until 08/24/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:08/24/2001

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Latest action published by the INPI: 10/27/1987. 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

O. [. (pessoa física)

Technical data

Priority claims

NL

8004797 · 08/26/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

Notificação para pagamento de retribuição

#13.1

09/15/1987

RPI 882

110

06/16/1987

RPI 869

120

01/21/1987

RPI 848

Recurso

#12.1

06/10/1986

RPI 816

Deferimento

#9.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

04/16/1985

RPI 756

Pedido de certificado de adição de invenção

#5.1

01/08/1985

RPI 742

Solicitação de exame técnico

#4.1

08/28/1984

RPI 723

Publicação do pedido de patente

#3.1

08/31/1982

RPI 619

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