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Official data from INPI

PROCESSO PARA A REMOÇÃO DE CÁTIONS POLIVALENTES DE SOLUÇÕES DE MONOCROMATO, SOLUÇÕES DE MONOCROMATO E APLICAÇÃO

ArquivadaInvention Patent
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Application data

Number

PI8904287

Type

Invention Patent

Filing

08/25/1989

Publication

04/17/1990
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Progress at the INPI

  1. Filing08/25/89
  2. Publication04/17/90
  3. Abandoned06/23/92
  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.

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Latest action published by the INPI: 08/10/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

DE

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Inventors

D. K. (pessoa física)

DE

H. B. (pessoa física)

H. H. (pessoa física)

N. L. (pessoa física)

R. W. (pessoa física)

R. K. (pessoa física)

Technical data

IPC Classification

C01G 37/14C25B 1/14C25B 1/22

Priority claims

DE

P3820120.7 · 08/27/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

08/10/1999

RPI 1492

Exigência - art. 36 da LPI

#6.1

10/27/1998

RPI 1451

Exigência - art. 36 da LPI

#6.1

10/01/1996

RPI 1348

Solicitação de exame técnico

#4.1

06/23/1992

RPI 1125

Publicação do pedido de patente

#3.1

04/17/1990

RPI 1014

Pedido de patente depositado

#2.1

01/16/1990

RPI 1002

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