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Official data from INPI

PROCESSO PARA HIDROGENAÇÃO MISTA DE ALDEÍDOS.

ConcedidaInvention Patent

Application data

Number

PI8001584

Type

Invention Patent

Filing

03/17/1980

Publication

-

Progress at the INPI

  1. Filing03/17/80
  2. Publication
  3. Examination05/25/82
  4. Allowance01/31/84
  5. Grant09/25/84
  6. Expired05/16/95

The letters patent expired on 05/16/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciquine - Companhia Petroquímica

BA, BR

Inventors

M. Y. (pessoa física)

W. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

05/15/1984

RPI 708

Deferimento

#9.1

01/31/1984

RPI 693

Republicação - classificação IPC

#15.11

09/13/1983

RPI 673

Exigência - art. 36 da LPI

#6.1

08/23/1983

RPI 670

Solicitação de exame técnico

#4.1

05/25/1982

RPI 605

Solicitação de exame não realizada

#4.2

12/29/1981

RPI 584

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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