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Official data from INPI

PROCESSO PARA A PREPARACAO DE 1,2,3-TIADIAZOL-5-IL-UREIAS

Em AnáliseInvention Patent

Application data

Number

PI7905614

Type

Invention Patent

Filing

09/22/1978

Publication

-

Progress at the INPI

  1. Filing09/22/78
  2. Publication
  3. Examination06/08/82
  4. Allowance08/12/86
  5. Grant04/28/87
  6. Terminated07/12/88

The patent was granted on 04/28/1987 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SCHERING AG

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Inventors

K. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

04/28/1987

RPI 862

Notificação para pagamento de retribuição

#13.1

12/02/1986

RPI 841

Deferimento

#9.1

08/12/1986

RPI 825

Exigência - art. 36 da LPI

#6.1

01/14/1986

RPI 795

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

6.2

02/01/1983

RPI 641

Solicitação de exame técnico

#4.1

06/08/1982

RPI 607

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