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Official data from INPI

ALUMINO-SILICATO DE SÓDIO HIDRATADO AMORFO E PROCESSO PARA SUA PREPARAÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8303265

Type

Invention Patent

Filing

06/20/1983

Publication

02/07/1984

Progress at the INPI

  1. Filing06/20/83
  2. Publication02/07/84
  3. Examination09/11/84
  4. Allowance06/14/88
  5. Grant01/10/89
  6. Terminated04/09/96

The patent was granted on 01/10/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

Unilever N.V.

NL

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Inventors

A. C. (pessoa física)

B. R. (pessoa física)

B. N. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8217881 · 06/21/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/10/1989

RPI 951

Notificação para pagamento de retribuição

#13.1

10/04/1988

RPI 937

Deferimento

#9.1

06/14/1988

RPI 921

Exigência - art. 36 da LPI

#6.1

10/20/1987

RPI 887

Exigência - art. 36 da LPI

#6.1

05/28/1985

RPI 762

Solicitação de exame técnico

#4.1

09/11/1984

RPI 725

Publicação do pedido de patente

#3.1

02/07/1984

RPI 694

Pedido de patente depositado

#2.1

08/02/1983

RPI 667

Anuidade - prazo legal encerrado

#18.2

04/09/1996

RPI 1323

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