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Official data from INPI

PROCESSO PARA PREPARAR UM POLIOL DE MANNICH, POLIOL DE MANNICH E POLIURETANO

Em AnáliseInvention Patent

Application data

Number

PI9003142

Type

Invention Patent

Filing

06/27/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing06/27/90
  2. Publication08/27/91
  3. Abandoned11/30/93
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

Talk to a specialist

Latest action published by the INPI: 02/07/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

J. T. (pessoa física)

NL

J. M. (pessoa física)

M. G. (pessoa física)

Technical data

Priority claims

US

373,857 · 06/29/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

11/30/1993

RPI 1200

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

01/02/1991

RPI 1048

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