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Official data from INPI

PROCESSO PARA A SEPARAÇÃO DE CÁTIONS DE SOLUÇÕES AQUOSAS

PublicadaInvention Patent

Application data

Number

PI8605864

Type

Invention Patent

Filing

12/01/1986

Publication

08/25/1987

Progress at the INPI

  1. Filing12/01/86
  2. Publication08/25/87
  3. Examination03/20/90
  4. Allowance11/26/91
  5. Abandoned
  6. In force

The application was allowed on 11/26/1991 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nukem Gmbh

DE

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Inventors

D. B. (pessoa física)

DE

D. B. (pessoa física)

DE

P. S. (pessoa física)

DE

Technical data

Priority claims

DE

P 35 42 640.3 · 12/03/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/25/1987

RPI 879

Pedido de patente depositado

#2.1

04/22/1987

RPI 861

Arquivamento - Art. 38 §2° da LPI

#11.4

09/29/1992

RPI 1139

Notificação para pagamento de retribuição

#13.1

04/14/1992

RPI 1115

Deferimento

#9.1

11/26/1991

RPI 1095

Solicitação de exame técnico

#4.1

03/20/1990

RPI 1010

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