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Official data from INPI

PROCESSO PARA OBTENÇÃO DE BICARBONATO DE POTÁSSIO POR VIA SECA

ArquivadaInvention Patent

Application data

Number

PI8505397

Type

Invention Patent

Filing

10/18/1985

Publication

05/26/1987

Progress at the INPI

Under appeal
  1. Filing10/18/85
  2. Publication05/26/87
  3. Examination07/23/91
  4. Refused04/26/94
  5. Grant
  6. In force

The application was refused by the INPI on 04/26/1994. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bicarbon Industrial e Comercial Ltda.

SP, BR

Inventors

M. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

12/12/1989

RPI 999

Publicação do pedido de patente

#3.1

05/26/1987

RPI 866

Pedido de patente depositado

#2.1

01/14/1986

RPI 795

Indeferimento

#9.2

04/26/1994

RPI 1221

Conhecimento de parecer técnico

#7.1

03/09/1993

RPI 1162

Solicitação de exame técnico

#4.1

07/23/1991

RPI 1077

4.2.3

06/18/1991

RPI 1072

15.17

01/22/1991

RPI 1051

Solicitação de exame não realizada

#4.2

01/08/1991

RPI 1049

15.7

12/11/1990

RPI 1045

11.8

11/13/1990

RPI 1041

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