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Official data from INPI

PROCESSO DE PRODUCAO DE TIOFENOL

Em AnáliseInvention Patent

Application data

Number

PI8001818

Type

Invention Patent

Filing

04/02/1979

Publication

-

Progress at the INPI

  1. Filing04/02/79
  2. Publication
  3. Examination01/04/83
  4. Allowance07/09/85
  5. Grant02/25/86
  6. Terminated05/17/88

The patent was granted on 02/25/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STAUFFER CHEMICAL CO

See this company's full portfolio

Inventors

S. A. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

02/25/1986

RPI 801

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

01/04/1983

RPI 637

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