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Official data from INPI

PROCESSO DE OBTENCAO DE DERIVADOS DE 2,2-DIOXIDO DE 2,1,3-TIADIAZIN-4-ONA

ConcedidaInvention Patent

Application data

Number

PI7801459

Type

Invention Patent

Filing

03/10/1977

Publication

-

Progress at the INPI

  1. Filing03/10/77
  2. Publication
  3. Examination
  4. Allowance05/31/83
  5. Grant11/29/83
  6. Terminated06/29/93

The patent was granted on 11/29/1983 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BASF AG

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Inventors

M. H. (pessoa física)

M. A. (pessoa física)

Z. K. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/31/1983

RPI 658

Exigência - art. 36 da LPI

#6.1

11/23/1982

RPI 631

11.7

05/04/1982

RPI 602

Arquivamento - Art. 36 §1° da LPI

#11.2

02/16/1982

RPI 591

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

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