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Official data from INPI

QUELATOS DE METAL DE COPOLÍMEROS HIDROSSOLÚVEIS E PROCESSO PARA SUA PREPARAÇÃO, APLICAÇÕES DE COPOLÍMEROS HIDROSSOLÚVEIS, COPOLÍMEROS HIDROSSOLÚVEIS E PROCESSO PARA SUA PREPARAÇÃO PARA A ESTIMULAÇÃO DE PERFURAÇÕES DE PETRÓLEO OU DE GÁS NATURAL.

ArquivadaInvention Patent

Application data

Number

PI8306760

Type

Invention Patent

Filing

12/08/1983

Publication

11/06/1984

Progress at the INPI

  1. Filing12/08/83
  2. Publication11/06/84
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 12/08/1983 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. A. (pessoa física)

DE

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Inventors

E. F. (pessoa física)

G. U. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

02/10/1987

RPI 851

Publicação do pedido de patente

#3.1

11/06/1984

RPI 733

Pedido de patente depositado

#2.1

02/21/1984

RPI 696

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