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Official data from INPI

MISTURA DE CATALISADOR E PROCESSO PARA A PREPARAÇÃO DE 1,2-DICLOROETANO.

ConcedidaInvention Patent

Application data

Number

PI8207099

Type

Invention Patent

Filing

12/07/1982

Publication

10/11/1983

Progress at the INPI

  1. Filing12/07/82
  2. Publication10/11/83
  3. Examination01/28/86
  4. Allowance03/15/88
  5. Grant09/27/88
  6. Terminated04/11/95

The patent was granted on 09/27/1988 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

H. H. (pessoa física)

H. J. (pessoa física)

S. H. (pessoa física)

Technical data

Priority claims

DE

P 31 48 450.6 · 12/08/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

07/19/1988

RPI 926

Deferimento

#9.1

03/15/1988

RPI 908

Exigência - art. 36 da LPI

#6.1

11/04/1986

RPI 837

Solicitação de exame técnico

#4.1

01/28/1986

RPI 797

Publicação do pedido de patente

#3.1

10/11/1983

RPI 677

Pedido de patente depositado

#2.1

02/01/1983

RPI 641

Anuidade - prazo legal encerrado

#18.2

04/11/1995

RPI 1271

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