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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE ARTIGOS DE ESPUMA DE POLIMEROS DE OLEFINAS OU ESTIRENOS LIGEIRAMENTE RETICULADOS DOTADOS DE UMA ESTRUTURA DE CÉLULA FECHADA

Em AnáliseInvention Patent

Application data

Number

PI8604784

Type

Invention Patent

Filing

10/02/1986

Publication

05/31/1988

Progress at the INPI

Awaiting grant fee payment
  1. Filing10/02/86
  2. Publication05/31/88
  3. Examination08/22/89
  4. Allowance07/18/95
  5. Grant
  6. In force

The application was allowed by the INPI on 07/18/1995. The grant of the letters patent is being processed.

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Latest action published by the INPI: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

THE DOW CHEMICAL COMPANY

US

See this company's full portfolio

Inventors

P. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/22/1989

RPI 983

Publicação do pedido de patente

#3.1

05/31/1988

RPI 919

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Republicação - classificação IPC

#15.11

02/12/1997

RPI 1367

Retificação

#15.3

12/12/1995

RPI 1306

Deferimento

#9.1

07/18/1995

RPI 1285

Exigência - art. 36 da LPI

#6.1

10/06/1992

RPI 1140

Conhecimento de parecer técnico

#7.1

12/10/1991

RPI 1097

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