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Official data from INPI

COMPOSICAO MODIFICADORA DE IMPACTO, MODIFICADOR DE IMPACTO E PROCESSO PARA PREPARAR A COMPOSICAO MODIFICADORA DE IMPACTO

ConcedidaInvention Patent

Application data

Number

PI8207342

Type

Invention Patent

Filing

12/21/1981

Publication

10/18/1983

Progress at the INPI

  1. Filing12/21/81
  2. Publication10/18/83
  3. Examination01/07/86
  4. Allowance09/13/88
  5. Grant06/27/89
  6. Terminated04/11/95

The patent was granted on 06/27/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ROHM & HAAS [US]

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Inventors

G. D. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/27/1989

RPI 975

Notificação para pagamento de retribuição

#13.1

01/03/1989

RPI 950

Republicação - classificação IPC

#15.11

09/27/1988

RPI 936

Deferimento

#9.1

09/13/1988

RPI 934

Exigência - art. 36 da LPI

#6.1

03/29/1988

RPI 910

Solicitação de exame técnico

#4.1

01/07/1986

RPI 794

Publicação do pedido de patente

#3.1

10/18/1983

RPI 678

Pedido de patente depositado

#2.1

02/08/1983

RPI 642

Anuidade - prazo legal encerrado

#18.2

04/11/1995

RPI 1271

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