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Official data from INPI

POLÍMERO DE AMIDO ENXERTADO COM POLIACRILAMIDA E PAPEL PREPARADO USANDO UM POLÍMERO DE AMIDO ENXERTADO

Em ExigênciaInvention Patent

Application data

Number

PI8406417

Type

Invention Patent

Filing

12/14/1984

Publication

10/08/1985

Progress at the INPI

  1. Filing12/14/84
  2. Publication10/08/85
  3. Examination11/03/87
  4. Allowance07/07/92
  5. Abandoned
  6. In force

The application was allowed on 07/07/1992 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Monsanto Company

US

See this company's full portfolio

Inventors

D. E. (pessoa física)

Technical data

IPC Classification

Priority claims

US

562.343 · 12/16/1983

US

669.419 · 11/08/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

08/15/1989

RPI 982

Conhecimento de parecer técnico

#7.1

09/06/1988

RPI 933

Solicitação de exame técnico

#4.1

11/03/1987

RPI 889

Publicação do pedido de patente

#3.1

10/08/1985

RPI 781

Pedido de patente depositado

#2.1

03/05/1985

RPI 750

Arquivamento - Art. 38 §2° da LPI

#11.4

04/06/1993

RPI 1166

Notificação para pagamento de retribuição

#13.1

11/24/1992

RPI 1147

Deferimento

#9.1

07/07/1992

RPI 1127

Exigência - art. 36 da LPI

#6.1

10/22/1991

RPI 1090

Republicação - classificação IPC

#15.11

09/24/1991

RPI 1086

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