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Official data from INPI

PROCESSO DE PREPARAÇÃO DE COMPOSTOS PIRIDILOXFENÓLICOS

ConcedidaInvention Patent

Application data

Number

PI8203180

Type

Invention Patent

Filing

05/31/1982

Publication

05/17/1983

Progress at the INPI

  1. Filing05/31/82
  2. Publication05/17/83
  3. Examination03/12/85
  4. Allowance05/17/88
  5. Grant12/27/88
  6. Terminated10/16/90

The patent was granted on 12/27/1988 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

R. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

269,300 · 06/01/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

10/06/1987

RPI 885

Solicitação de exame técnico

#4.1

03/12/1985

RPI 751

Publicação do pedido de patente

#3.1

05/17/1983

RPI 656

Pedido de patente depositado

#2.1

07/20/1982

RPI 613

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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