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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE NITRATO DE POTÁSSIO A PARTIR DE CLORETO DE POTÁSSIO E ÁCIDO NÍTRICO

PublicadaInvention Patent

Application data

Number

PI8901792

Type

Invention Patent

Filing

04/14/1989

Publication

11/28/1989

Progress at the INPI

  1. Filing04/14/89
  2. Publication11/28/89
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 04/14/1989 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Union Explosivos Rio Tinto S/A

ES

Inventors

L. P. (pessoa física)

Technical data

IPC Classification

Priority claims

ES

8801148 · 04/14/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/28/1989

RPI 997

Pedido de patente depositado

#2.1

05/30/1989

RPI 971

Arquivamento - Art. 33 da LPI

#11.1

12/22/1992

RPI 1151

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