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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE RESINAS EPÓXI

ArquivadaInvention Patent

Application data

Number

PI8906420

Type

Invention Patent

Filing

12/08/1989

Publication

08/28/1990

Progress at the INPI

  1. Filing12/08/89
  2. Publication08/28/90
  3. Examination03/16/93
  4. Allowance08/01/95
  5. Abandoned
  6. In force

The application was allowed on 08/01/1995 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 09/03/1996. 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

C. W. (pessoa física)

US

Z. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

283.400 · 12/12/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

09/03/1996

RPI 1344

Notificação para pagamento de retribuição

#13.1

01/02/1996

RPI 1309

Deferimento

#9.1

08/01/1995

RPI 1287

Solicitação de exame técnico

#4.1

03/16/1993

RPI 1163

Publicação do pedido de patente

#3.1

08/28/1990

RPI 1030

Pedido de patente depositado

#2.1

05/01/1990

RPI 1016

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