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Official data from INPI

PROCESSO PARA A PREPARAÇÃO CONTÍNUA DE PRODUTOS DE REAÇÃO, PROCESSO PARA A PREPARAÇÃO CONTÍNUA DE UMA RESINA EPÓXI LÍQUIDA, SISTEMA DE REATOR, SISTEMA DE REATOR HORIZONTAL E SISTEMA DE REATOR VERTICAL

ArquivadaInvention Patent

Application data

Number

PI9103138

Type

Invention Patent

Filing

07/18/1991

Publication

05/05/1992

Progress at the INPI

  1. Filing07/18/91
  2. Publication05/05/92
  3. Abandoned07/05/94
  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: 09/14/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

D. M. (pessoa física)

US

R. S. (pessoa física)

US

W. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

555.863 · 07/20/1990

US

643.877 · 01/18/1991

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/14/1999

RPI 1497

Exigência - art. 36 da LPI

#6.1

11/24/1998

RPI 1455

Solicitação de exame técnico

#4.1

07/05/1994

RPI 1231

Publicação do pedido de patente

#3.1

05/05/1992

RPI 1118

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