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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE 1,2-DICLOROETANO

ConcedidaInvention Patent

Application data

Number

PI8306694

Type

Invention Patent

Filing

12/06/1983

Publication

07/17/1984

Progress at the INPI

  1. Filing12/06/83
  2. Publication07/17/84
  3. Examination08/26/86
  4. Allowance06/13/89
  5. Grant11/28/89
  6. Terminated05/09/95

The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

D. S. (pessoa física)

DE

D. H. (pessoa física)

DE

H. H. (pessoa física)

DE

Technical data

Priority claims

DE

P 32 45 366.3 · 12/08/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

10/10/1989

RPI 990

Deferimento

#9.1

06/13/1989

RPI 973

Solicitação de exame técnico

#4.1

08/26/1986

RPI 827

Publicação do pedido de patente

#3.1

07/17/1984

RPI 717

Pedido de patente depositado

#2.1

02/14/1984

RPI 695

Anuidade - prazo legal encerrado

#18.2

05/09/1995

RPI 1275

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