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Official data from INPI

PROCESSO PARA PREPARO DE CLORETO DE SULFAMILA N-ALQUIL OU N-ARIL SUBSTITUIDOS

Em AnáliseInvention Patent
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Application data

Number

PI8306806

Type

Invention Patent

Filing

12/12/1983

Publication

07/16/1985
View on INPI

Progress at the INPI

Under appeal
  1. Filing12/12/83
  2. Publication07/16/85
  3. Examination09/02/86
  4. Refused05/12/92
  5. Grant
  6. In force

The application was refused by the INPI on 05/12/1992. The invention was never patented.

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Latest action published by the INPI: 09/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Química Estrela S/A

RS, BR

Inventors

E. M. (pessoa física)

AR

Technical data

IPC Classification

C07D 279/16

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/02/1986

RPI 828

Solicitação de exame não realizada

#4.2

05/13/1986

RPI 812

Publicação do pedido de patente

#3.1

07/16/1985

RPI 769

Pedido de patente depositado

#2.1

02/21/1984

RPI 696

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C07C 143/86.

03/27/2018

RPI 2464

Indeferimento

#9.2

05/12/1992

RPI 1119

Conhecimento de parecer técnico

#7.1

08/28/1990

RPI 1030

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