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Official data from INPI

COMPOSIÇÃO E PROCESSO PARA O CONTROLE DE ESPUMAMENTO INDESEJADO

ArquivadaInvention Patent

Application data

Number

PI8205692

Type

Invention Patent

Filing

09/29/1982

Publication

08/30/1983

Progress at the INPI

  1. Filing09/29/82
  2. Publication08/30/83
  3. Abandoned11/12/85
  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: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

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Inventors

F. T. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8129520 · 09/30/1981

GB

8216529 · 06/07/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/23/1989

RPI 970

Exigência - art. 36 da LPI

#6.1

11/16/1988

RPI 943

Exigência - art. 36 da LPI

#6.1

03/08/1988

RPI 907

Solicitação de exame técnico

#4.1

11/12/1985

RPI 786

Publicação do pedido de patente

#3.1

08/30/1983

RPI 671

Pedido de patente depositado

#2.1

11/23/1982

RPI 631

Republicação - classificação IPC

#15.11

Reclassificação automática - A classificação anterior era: C09D 7/00, C09K 3/00

10/05/2021

RPI 2648

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09K 3/00; C09D 7/12.

03/27/2018

RPI 2464

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