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Official data from INPI

PROCESSO DE PREPARAÇÃO DE UM COMPOSTO FOTOESTABILIZADOR, E COMPOSIÇÃO DE POLÍMERO SINTÉTICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906519

Type

Invention Patent

Filing

12/15/1989

Publication

08/21/1990

Progress at the INPI

  1. Filing12/15/89
  2. Publication08/21/90
  3. Examination03/12/91
  4. Allowance09/08/98
  5. Grant12/29/98
  6. Expired01/02/13

The letters patent expired on 01/02/2013: 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: 01/02/2013. 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

J. S. (pessoa física)

US

R. N. (pessoa física)

US

Technical data

Priority claims

GB

8928102.6 · 12/12/1989

US

284,583 · 12/15/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/12/2009

01/02/2013

RPI 2191

Concessão da patente

#16.1

12/29/1998

RPI 1460

Republicação - classificação IPC

#15.11

ALTERADA DEC07D 401/12, C07D 401/14, C08L 23/10

12/08/1998

RPI 1457

Deferimento

#9.1

09/08/1998

RPI 1446

Exigência - art. 36 da LPI

#6.1

05/12/1998

RPI 1429

14.4

01/03/1995

RPI 1257

Solicitação de exame técnico

#4.1

03/12/1991

RPI 1058

Publicação do pedido de patente

#3.1

08/21/1990

RPI 1029

Pedido de patente depositado

#2.1

05/15/1990

RPI 1018

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