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Official data from INPI

" PROCESSO PARA PREPARAÇÃO DE UM PRECURSOR DE UMA SOLUÇÃO DE CELULOSE E PRECURSOR SÓLIDO ASSIM OBTIDO ."'

ArquivadaInvention Patent

Application data

Number

PI7804792

Type

Invention Patent

Filing

07/25/1978

Publication

-

Progress at the INPI

  1. Filing07/25/78
  2. Publication
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 07/25/1978 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/24/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. I. (pessoa física)

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Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

08/24/1982

RPI 618

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: D01D 1/02; C08J 3/08; D01F 2/02.

03/20/2018

RPI 2463

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