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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE DERIVADOS DE AZETIDINA-3-OL 1-SUBSTITUÍDA E DERIVADOS DE AZETIDINA-3-OL 1-SUBSTITUÍDA

Em AnáliseInvention Patent

Application data

Number

PI8502287

Type

Invention Patent

Filing

05/15/1985

Publication

01/14/1986

Progress at the INPI

  1. Filing05/15/85
  2. Publication01/14/86
  3. Examination12/22/87
  4. Allowance04/30/91
  5. Abandoned
  6. In force

The application was allowed on 04/30/1991 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: 12/22/1987. 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

D. B. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8412814 · 05/19/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/22/1987

RPI 896

Publicação do pedido de patente

#3.1

01/14/1986

RPI 795

Pedido de patente depositado

#2.1

07/16/1985

RPI 769

Arquivamento - Art. 38 §2° da LPI

#11.4

09/29/1992

RPI 1139

Notificação para pagamento de retribuição

#13.1

08/13/1991

RPI 1080

Deferimento

#9.1

04/30/1991

RPI 1065

Exigência - art. 36 da LPI

#6.1

08/21/1990

RPI 1029

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