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Official data from INPI

PROCESSO PARA PRODUÇÃO DE ÉTER BIS-(N,N-DIALQUILAMINO)-ALQUÍLICO E ÉTER BIS-(N,N-DIMENTIL-AMINO) ETÍLICO.

Em ExigênciaInvention Patent

Application data

Number

PI8307058

Type

Invention Patent

Filing

12/22/1983

Publication

07/31/1984

Progress at the INPI

  1. Filing12/22/83
  2. Publication07/31/84
  3. Abandoned10/15/85
  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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

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Inventors

K. W. (pessoa física)

Technical data

IPC Classification

Priority claims

US

453.169 · 12/27/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

07/18/1989

RPI 978

Solicitação de exame técnico

#4.1

10/15/1985

RPI 782

Publicação do pedido de patente

#3.1

07/31/1984

RPI 719

Pedido de patente depositado

#2.1

03/13/1984

RPI 699

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 93/04; C08G 18/16; B01J 27/18; B01J 29/00; C07B 61/00; C07C 67/00; C07C 213/06; C07C 217/08; C08G 18/18; C07C 217/00; C08G 18/00.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

03/27/1990

RPI 1011

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