(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA A RETICULAÇÃO DE UM SISTEMA POLIMÉRICO NOVOLAC-RESOL MODIFICADO COM DERIVADO DE AMIDO HIDROLISADO

Prazo de SigiloInvention Patent

Application data

Number

PI8805507

Type

Invention Patent

Filing

10/25/1988

Publication

06/05/1990

Progress at the INPI

  1. Filing10/25/88
  2. Publication06/05/90
  3. Examination06/23/92
  4. Allowance10/01/96
  5. Grant08/26/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alba Química Indústria e Comércio Ltda

SP, BR

Inventors

S. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

03/07/1989

RPI 959

Carta-patente expirada

#21.1

Patente extinta em 25/10/2008

05/21/2013

RPI 2211

Concessão da patente

#16.1

08/26/1997

RPI 1395

Deferimento

#9.1

10/01/1996

RPI 1348

Exigência - art. 36 da LPI

#6.1

12/12/1995

RPI 1306

14.7

07/04/1995

RPI 1283

Exigência - art. 36 da LPI

#6.1

05/23/1995

RPI 1277

Solicitação de exame técnico

#4.1

06/23/1992

RPI 1125

Publicação do pedido de patente

#3.1

06/05/1990

RPI 1021

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.