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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE DIÓXIDO DE TITÂNIO EM PARTÍCULAS

ArquivadaInvention Patent

Application data

Number

PI9003162

Type

Invention Patent

Filing

07/04/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/04/90
  2. Publication08/27/91
  3. Examination03/17/92
  4. Allowance12/30/97
  5. Abandoned
  6. In force

The application was allowed on 12/30/1997 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: 06/22/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. C. (pessoa física)

US

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Inventors

T. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

422.536 · 10/17/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

Arquivamento - Art. 38 § 2º LPI.

06/22/1999

RPI 1485

Deferimento

#9.1

12/30/1997

RPI 1410

Exigência - art. 36 da LPI

#6.1

12/31/1996

RPI 1361

Solicitação de exame técnico

#4.1

03/17/1992

RPI 1111

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

01/02/1991

RPI 1048

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