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Official data from INPI

PROCESSO PARA PREPARAR UM ESTABILIZANTE ANTIOXIDANTE LIGADO A POLÍMERO

PublicadaInvention Patent

Application data

Number

PI8804073

Type

Invention Patent

Filing

08/11/1988

Publication

03/07/1989

Progress at the INPI

  1. Filing08/11/88
  2. Publication03/07/89
  3. Examination04/30/91
  4. Allowance06/20/95
  5. Abandoned
  6. In force

The application was allowed on 06/20/1995 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: 03/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atochem North America, Inc.

US

See this company's full portfolio

Inventors

R. M. (pessoa física)

US

T. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

084537 · 08/12/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/07/1989

RPI 959

Pedido de patente depositado

#2.1

01/03/1989

RPI 950

Arquivamento - Art. 38 §2° da LPI

#11.4

09/03/1996

RPI 1344

Notificação para pagamento de retribuição

#13.1

10/31/1995

RPI 1300

Deferimento

#9.1

06/20/1995

RPI 1281

Exigência - art. 36 da LPI

#6.1

02/22/1994

RPI 1212

Exigência - art. 36 da LPI

#6.1

02/24/1993

RPI 1160

14.4

02/11/1992

RPI 1106

Solicitação de exame técnico

#4.1

04/30/1991

RPI 1065

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