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Official data from INPI

Processo de preparação direta de aldeido betametiltiopropiônico.

ConcedidaInvention Patent

Application data

Number

PI8004260

Type

Invention Patent

Filing

07/09/1980

Publication

-

Progress at the INPI

  1. Filing07/09/80
  2. Publication
  3. Examination01/18/83
  4. Allowance12/26/84
  5. Grant06/25/85
  6. Expired09/19/95

The letters patent expired on 09/19/1995: 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: 06/25/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhone-Poulenc Industries

FR

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Inventors

G. S. (pessoa física)

I. K. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

79 17827 · 07/10/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

04/16/1985

RPI 756

Deferimento

#9.1

12/26/1984

RPI 740

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

01/18/1983

RPI 639

Carta-patente expirada

#21.1

09/19/1995

RPI 1294

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