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Official data from INPI

COMPOSIÇÃO À BASE DE HOMO- OU COPOLÍMERO DE PROPILENO ESTABILIZADA CONTRA DEGRADAÇÃO INDUZIDA POR LUZ

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906518

Type

Invention Patent

Filing

12/15/1989

Publication

08/28/1990

Progress at the INPI

  1. Filing12/15/89
  2. Publication08/28/90
  3. Examination02/13/91
  4. Allowance10/06/98
  5. Grant02/23/99
  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

IPC Classification

Priority claims

GB

8926493.1 · 11/23/1989

US

284,574 · 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

02/23/1999

RPI 1468

Deferimento

#9.1

DEFERIDO DE ACORDO COM O ARTIGO 229 DA LEI 9279 DE 14/05/96

10/06/1998

RPI 1450

Exigência - art. 36 da LPI

#6.1

05/26/1998

RPI 1431

Exigência - art. 36 da LPI

#6.1

04/02/1996

RPI 1322

14.4

01/03/1995

RPI 1257

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

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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