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Official data from INPI

COMPOSIÇÃO DE LÁTEX E PROCESSO PARA SUA PREPARAÇÃO

PublicadaInvention Patent
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Application data

Number

PI8705564

Type

Invention Patent

Filing

10/19/1987

Publication

05/09/1989
View on INPI

Progress at the INPI

  1. Filing10/19/87
  2. Publication05/09/89
  3. Examination06/11/91
  4. Allowance
  5. Grant
  6. In force

Published on 05/09/1989, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 05/09/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

R. C. (pessoa física)

US

R. G. (pessoa física)

US

Technical data

IPC Classification

C09J 7/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/09/1989

RPI 968

Pedido de patente depositado

#2.1

01/10/1989

RPI 951

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

Republicação - classificação IPC

#15.11

Reclassificação automática - A classificação anterior era: C08F 2/22, C08F 220/06, C09J 7/00

10/05/2021

RPI 2648

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09J 3/14; C08F 220/06; C09J 7/02; C08F 2/22.

03/20/2018

RPI 2463

Retificação

#15.3

02/22/1994

RPI 1212

Solicitação de exame técnico

#4.1

06/11/1991

RPI 1071

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