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Official data from INPI

PROCESSO PARA PREPARAR CICLOEXANOL E CICLOEXANONA

DeferidaInvention Patent

Application data

Number

PI8302088

Type

Invention Patent

Filing

04/22/1983

Publication

12/27/1983

Progress at the INPI

  1. Filing04/22/83
  2. Publication12/27/83
  3. Examination03/25/86
  4. Allowance09/05/89
  5. Grant03/20/90
  6. Terminated08/29/95

The patent was granted on 03/20/1990 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: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stamicarbon B.V.

NL

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Inventors

J. H. (pessoa física)

NL

O. P. (pessoa física)

NL

S. N. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

8201695 · 04/23/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/05/1989

RPI 985

Republicação - classificação IPC

#15.11

05/02/1989

RPI 967

Exigência - art. 36 da LPI

#6.1

01/31/1989

RPI 954

Solicitação de exame técnico

#4.1

03/25/1986

RPI 805

Publicação do pedido de patente

#3.1

12/27/1983

RPI 688

Pedido de patente depositado

#2.1

06/07/1983

RPI 659

Anuidade - prazo legal encerrado

#18.2

08/29/1995

RPI 1291

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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