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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE ÉTERES MISTOS DE CELULOSE SOLÚVEIS EM ÁGUA.

ArquivadaInvention Patent

Application data

Number

PI8502271

Type

Invention Patent

Filing

05/14/1985

Publication

01/14/1986

Progress at the INPI

  1. Filing05/14/85
  2. Publication01/14/86
  3. Abandoned12/15/87
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

G. B. (pessoa física)

DE

U. F. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 17 952.6 · 05/15/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/21/1989

RPI 996

Exigência - art. 36 da LPI

#6.1

05/16/1989

RPI 969

Solicitação de exame técnico

#4.1

12/15/1987

RPI 895

Publicação do pedido de patente

#3.1

01/14/1986

RPI 795

Pedido de patente depositado

#2.1

07/16/1985

RPI 769

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