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Official data from INPI

PARTICULAS DE COPOLIMERO RESINOSAS SINTETICAS E PROCESSO PARA A SUA PREPARACAO

Em ExigênciaInvention Patent
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Application data

Number

PI8503521

Type

Invention Patent

Filing

07/25/1984

Publication

04/22/1986
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Progress at the INPI

  1. Filing07/25/84
  2. Publication04/22/86
  3. Abandoned02/02/88
  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.

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Latest action published by the INPI: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

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Inventors

B. W. (pessoa física)

Technical data

IPC Classification

C08J 9/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

08/15/1989

RPI 982

Solicitação de exame técnico

#4.1

02/02/1988

RPI 902

Publicação do pedido de patente

#3.1

04/22/1986

RPI 809

Pedido de patente depositado

#2.1

10/01/1985

RPI 780

Republicação - classificação IPC

#15.11

06/18/1991

RPI 1072

Arquivamento - Art. 36 §1° da LPI

#11.2

04/16/1991

RPI 1063

Exigência - art. 36 da LPI

#6.1

08/14/1990

RPI 1028

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