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Official data from INPI

PROCESSO PARA A PREPARACAO DE DIARILESTERES N-SUBSTITUIDOS DO ACIDO IMIDO-DICARBOXILICO

ArquivadaInvention Patent
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Application data

Number

PI8105995

Type

Invention Patent

Filing

09/19/1980

Publication

06/08/1982
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Progress at the INPI

  1. Filing09/19/80
  2. Publication06/08/82
  3. Examination08/14/84
  4. Allowance06/17/86
  5. Abandoned
  6. In force

The application was allowed on 06/17/1986 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 06/23/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BAYER AG

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Inventors

D. K. (pessoa física)

K. E. (pessoa física)

Technical data

IPC Classification

C07D 307/00C07D 307/52C07D 309/00C07D 309/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

06/23/1987

RPI 870

Notificação para pagamento de retribuição

#13.1

10/14/1986

RPI 834

Deferimento

#9.1

06/17/1986

RPI 817

Exigência - art. 36 da LPI

#6.1

10/15/1985

RPI 782

Exigência - art. 36 da LPI

#6.1

02/20/1985

RPI 748

Solicitação de exame técnico

#4.1

08/14/1984

RPI 721

Publicação do pedido de patente

#3.1

06/08/1982

RPI 607

Pedido de patente depositado

#2.1

11/03/1981

RPI 576

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