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Official data from INPI

MÉTODO D PREPARAÇÃO DE 2-T-BUTIL-5-HIDROXIPIRIMIDINA.

ConcedidaInvention Patent

Application data

Number

PI8301167

Type

Invention Patent

Filing

03/04/1983

Publication

10/09/1984

Progress at the INPI

  1. Filing03/04/83
  2. Publication10/09/84
  3. Examination01/06/87
  4. Allowance12/13/88
  5. Grant08/29/89
  6. Terminated08/29/95

The patent was granted on 08/29/1989 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: 08/29/1989. 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. P. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/13/1988

RPI 947

Exigência - art. 36 da LPI

#6.1

06/07/1988

RPI 920

Solicitação de exame técnico

#4.1

01/06/1987

RPI 846

Publicação do pedido de patente

#3.1

10/09/1984

RPI 729

Pedido de patente depositado

#2.1

04/26/1983

RPI 653

Anuidade - prazo legal encerrado

#18.2

08/29/1995

RPI 1291

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