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Official data from INPI

PROCESSO PARA A PREPARACAO DE UM ALDEIDO INSATURADO PARTINDO DO ALCANO CORRESPONDENTE

ConcedidaInvention Patent

Application data

Number

PI8301915

Type

Invention Patent

Filing

04/14/1982

Publication

12/20/1983

Progress at the INPI

  1. Filing04/14/82
  2. Publication12/20/83
  3. Examination04/08/86
  4. Allowance06/14/88
  5. Grant01/10/89
  6. Terminated10/02/90

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

HALCON SD GROUP INC [US]

Inventors

K. S. (pessoa física)

Technical data

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

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

04/08/1986

RPI 807

Publicação do pedido de patente

#3.1

12/20/1983

RPI 687

Pedido de patente depositado

#2.1

05/31/1983

RPI 658

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

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