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Official data from INPI

PROCESSO DE SULFONILAÇÃO DE HALOGENOBENZENOS

ConcedidaInvention Patent

Application data

Number

PI8203845

Type

Invention Patent

Filing

07/01/1982

Publication

01/10/1984

Progress at the INPI

  1. Filing07/01/82
  2. Publication01/10/84
  3. Examination01/21/86
  4. Allowance05/17/88
  5. Grant12/27/88
  6. Terminated12/20/94

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

R. C. (pessoa física)

FR

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Inventors

M. D. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

82.00879 · 01/21/1982

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

09/30/1986

RPI 832

Solicitação de exame técnico

#4.1

01/21/1986

RPI 796

Publicação do pedido de patente

#3.1

01/10/1984

RPI 690

Pedido de patente depositado

#2.1

08/17/1982

RPI 617

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 147/06; C07C 147/107; C07C 317/14; C07C 317/22; C07C 317/00.

03/20/2018

RPI 2463

Anuidade - prazo legal encerrado

#18.2

12/20/1994

RPI 1255

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