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Official data from INPI

PROCESSO DE REAÇÃO DE UM ÁCIDO CARBOXÍLICO COM UM EPÓXI PARA FORMAR UM ÉSTER HIDROXIALQUÍLICO

ArquivadaInvention Patent

Application data

Number

PI9002843

Type

Invention Patent

Filing

06/12/1990

Publication

12/17/1991

Progress at the INPI

  1. Filing06/12/90
  2. Publication12/17/91
  3. Abandoned11/23/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/11/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

C. B. (pessoa física)

J. J. (pessoa física)

W. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

11.31

11/11/1997

RPI 1406

Exigência - art. 36 da LPI

#6.1

07/16/1996

RPI 1337

Solicitação de exame técnico

#4.1

11/23/1993

RPI 1199

Publicação do pedido de patente

#3.1

12/17/1991

RPI 1098

Pedido de patente depositado

#2.1

10/30/1990

RPI 1039

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