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Official data from INPI

PROCESSO PARA REMOÇÃO DE IMPUREZAS DE ALUMÍNIO, MAGNÉSIO E FERRO DE ÁCIDO FOSFÓRICO OBTIDO POR VIA ÚMIDA.

Em AnáliseInvention Patent
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Application data

Number

PI8605100

Type

Invention Patent

Filing

10/17/1986

Publication

07/21/1987
View on INPI

Progress at the INPI

  1. Filing10/17/86
  2. Publication07/21/87
  3. Examination10/06/87
  4. Allowance03/09/93
  5. Abandoned
  6. In force

The application was allowed on 03/09/1993 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IMC Fertilizer, Inc.

US

Inventors

M. H. (pessoa física)

S. V. (pessoa física)

Technical data

IPC Classification

C01B 25/238C01B 33/22C01F 5/00C01F 7/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

4.1.2

11/24/1987

RPI 892

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Publicação do pedido de patente

#3.1

07/21/1987

RPI 874

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Arquivamento - Art. 38 §2° da LPI

#11.4

10/19/1993

RPI 1194

Notificação para pagamento de retribuição

#13.1

06/08/1993

RPI 1175

Deferimento

#9.1

03/09/1993

RPI 1162

Exigência - art. 36 da LPI

#6.1

02/25/1992

RPI 1108

Exigência - art. 36 da LPI

#6.1

07/30/1991

RPI 1078

14.1

09/11/1990

RPI 1032

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