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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE COMPOSTOS 4-CLOROFENILSULFONILA

DeferidaInvention Patent

Application data

Number

PI8400335

Type

Invention Patent

Filing

01/26/1984

Publication

08/28/1984

Progress at the INPI

  1. Filing01/26/84
  2. Publication08/28/84
  3. Examination08/12/86
  4. Allowance08/15/89
  5. Grant03/20/90
  6. Terminated12/24/96

The patent was granted on 03/20/1990 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

See this company's full portfolio

Inventors

T. P. (pessoa física)

DE

Technical data

Priority claims

DE

P 3302647.5 · 01/27/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/15/1989

RPI 982

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

08/28/1984

RPI 723

Pedido de patente depositado

#2.1

04/10/1984

RPI 703

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 143/78; C07C 143/70; C07C 143/68; C07C 145/00; C07C 147/06.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

12/24/1996

RPI 1360

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/02/1990

RPI 1000

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