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Official data from INPI

PROCESSO E INSTALAÇÃO PARA CONCENTRAÇÃO DE UMA SOLUÇÃO DE URÉIA E SOLUÇÃO DE URÉIA OBTIDA PELOS MESMOS

PublicadaInvention Patent

Application data

Number

PI8705824

Type

Invention Patent

Filing

10/30/1987

Publication

06/28/1988

Progress at the INPI

  1. Filing10/30/87
  2. Publication06/28/88
  3. Abandoned09/18/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stamicarbon BV

NL

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Inventors

H. B. (pessoa física)

NL

K. J. (pessoa física)

NL

Technical data

Priority claims

NL

8602769 · 11/03/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

06/28/1988

RPI 923

Pedido de patente depositado

#2.1

02/09/1988

RPI 903

Republicação - classificação IPC

#15.11

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

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

11/07/1995

RPI 1301

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

09/18/1990

RPI 1033

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