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Official data from INPI

PROCESSO DE HIDROLISE

ConcedidaInvention Patent

Application data

Number

PI8205651

Type

Invention Patent

Filing

09/29/1981

Publication

08/30/1983

Progress at the INPI

  1. Filing09/29/81
  2. Publication08/30/83
  3. Examination09/10/85
  4. Allowance04/26/88
  5. Grant10/25/88
  6. Terminated02/11/92

The patent was granted on 10/25/1988 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RHONE POULENC SPEC CHIM [FR]

Inventors

R. S. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

08/09/1988

RPI 929

Deferimento

#9.1

04/26/1988

RPI 914

Exigência - art. 36 da LPI

#6.1

07/29/1986

RPI 823

Solicitação de exame técnico

#4.1

09/10/1985

RPI 777

Publicação do pedido de patente

#3.1

08/30/1983

RPI 671

Pedido de patente depositado

#2.1

11/16/1982

RPI 630

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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