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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE SULFATO FERROSO HIDRATADO ESTÁVEL AO ARMAZENAMENTO E DE FÁCIL ESCOAMENTO.

ArquivadaInvention Patent
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Application data

Number

PI9100370

Type

Invention Patent

Filing

01/29/1991

Publication

10/22/1991
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Progress at the INPI

  1. Filing01/29/91
  2. Publication10/22/91
  3. Examination01/04/94
  4. Allowance11/10/98
  5. Abandoned
  6. In force

The application was allowed on 11/10/1998 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 04/11/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

DE

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Inventors

U. H. (pessoa física)

DE

Technical data

IPC Classification

C01G 49/14C02F 1/52

Priority claims

DE

P 40 02 608.6 · 01/30/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

Arquivamento - Artigo 38 & 2º da LPI.

04/11/2000

RPI 1527

Deferimento

#9.1

11/10/1998

RPI 1453

Exigência - art. 36 da LPI

#6.1

04/07/1998

RPI 1424

Exigência - art. 36 da LPI

#6.1

01/30/1996

RPI 1313

Solicitação de exame técnico

#4.1

01/04/1994

RPI 1205

Publicação do pedido de patente

#3.1

10/22/1991

RPI 1090

Pedido de patente depositado

#2.1

08/06/1991

RPI 1079

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