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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE ANIDRIDOS OXI-DIFTÁLICOS

ArquivadaInvention PatentPCT · US1988002589

Application data

Number

PI8807384

Type

Invention Patent

Filing

08/05/1988

Publication

03/20/1990

PCT

US1988002589

Progress at the INPI

  1. Filing08/05/88
  2. Publication03/20/90
  3. Abandoned08/14/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/09/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. C. (pessoa física)

US

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Inventors

W. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

088.325 · 08/24/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/09/1996

RPI 1323

Exigência - art. 36 da LPI

#6.1

06/27/1995

RPI 1282

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

Solicitação de exame não realizada

#4.2

06/12/1990

RPI 1022

Notificação de entrada na fase nacional - PCT

#1.3

03/20/1990

RPI 1010

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