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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE ANIDRIDOS FTÁLICOS FENÓXI

PublicadaInvention Patent

Application data

Number

PI8804539

Type

Invention Patent

Filing

09/02/1988

Publication

04/04/1989

Progress at the INPI

  1. Filing09/02/88
  2. Publication04/04/89
  3. Abandoned05/14/91
  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.

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Latest action published by the INPI: 04/04/1989. 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)

Technical data

IPC Classification

Priority claims

US

098/813 · 09/21/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/04/1989

RPI 963

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Arquivamento - Art. 36 §1° da LPI

#11.2

09/19/1995

RPI 1294

Exigência - art. 36 da LPI

#6.1

01/17/1995

RPI 1259

Solicitação de exame técnico

#4.1

05/14/1991

RPI 1067

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