Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE PIGMENTOS DE DIÓXIDO DE TITÂNIO.

PublicadaInvention Patent

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Application data

Number

PI8704635

Type

Invention Patent

Filing

09/04/1987

Publication

04/26/1988

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Progress at the INPI

Filing09/04/87
Publication04/26/88
Examination10/23/90
Allowance02/14/95
Abandoned
In force

The application was allowed on 02/14/1995 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

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Inventors

L. G. (pessoa física)

S. K. (pessoa física)

Technical data

IPC Classification

C09C 1/36 C09C 3/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/26/1988

RPI 914

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Arquivamento - Art. 38 §2° da LPI

#11.4

02/27/1996

RPI 1317

Notificação para pagamento de retribuição

#13.1

07/04/1995

RPI 1283

Deferimento

#9.1

02/14/1995

RPI 1263

Exigência - art. 36 da LPI

#6.1

09/29/1992

RPI 1139

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

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