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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE URÉIA E SOLUÇÃO DE URÉIA OU URÉIA SÓLIDA OBTIDA POR APLICAÇÃO DO MESMO

PublicadaInvention Patent

Application data

Number

PI8900537

Type

Invention Patent

Filing

02/03/1989

Publication

10/03/1989

Progress at the INPI

  1. Filing02/03/89
  2. Publication10/03/89
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 02/03/1989 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stamicarbon B.V

NL

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Inventors

K. J. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

8800284 · 02/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/03/1989

RPI 989

Pedido de patente depositado

#2.1

03/21/1989

RPI 961

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C07C 126/02.

03/27/2018

RPI 2464

Arquivamento - Art. 33 da LPI

#11.1

12/22/1992

RPI 1151

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