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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE UMA DISPERSÃO AQUOSA DE POLIURETANO DISPERSÍVEL EM ÁGUA.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002838

Type

Invention Patent

Filing

06/15/1990

Publication

08/20/1991

Progress at the INPI

  1. Filing06/15/90
  2. Publication08/20/91
  3. Examination11/30/93
  4. Allowance03/09/99
  5. Grant07/27/99
  6. Expired01/15/13

The letters patent expired on 01/15/2013: 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: 01/15/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ICI Americas, Inc.

US

Zeneca Inc.

US

See this company's full portfolio

Inventors

R. V. (pessoa física)

US

R. C. (pessoa física)

US

Technical data

Priority claims

GB

8913644.4 · 06/14/1989

GB

9011988.4 · 05/30/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/06/2010

01/15/2013

RPI 2193

Republicação - classificação IPC

#15.11

Alterado da Int Cl5 C08G 18/12, 75/12.

11/21/2000

RPI 1559

Concessão da patente

#16.1

07/27/1999

RPI 1490

Deferimento

#9.1

De acordo com o artigo 229 da LPI nº9279 de 14/05/96.

03/09/1999

RPI 1470

Exigência - art. 36 da LPI

#6.1

06/23/1998

RPI 1435

14.4

12/20/1994

RPI 1255

Solicitação de exame técnico

#4.1

11/30/1993

RPI 1200

Publicação do pedido de patente

#3.1

08/20/1991

RPI 1081

Pedido de patente depositado

#2.1

10/30/1990

RPI 1039

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