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Official data from INPI

COMPOSIÇÃO VULCANIZADA DINAMICAMENTE E PROCESSO PARA PRODUÇÃO DA MESMA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002485

Type

Invention Patent

Filing

05/25/1990

Publication

08/13/1991

Progress at the INPI

  1. Filing05/25/90
  2. Publication08/13/91
  3. Examination06/23/92
  4. Allowance07/28/98
  5. Grant12/29/98
  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

Advanced Elastomer Systems, L.P

US

Exxon Chemical Patents, Inc

US

See this company's full portfolio

Inventors

B. G. (pessoa física)

CA

D. H. (pessoa física)

US

N. D. (pessoa física)

US

R. P. (pessoa física)

US

Technical data

Priority claims

US

358,974 · 05/26/1989

US

495,839 · 03/19/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 25/05/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

12/29/1998

RPI 1460

Deferimento

#9.1

07/28/1998

RPI 1440

Exigência - art. 36 da LPI

#6.1

02/18/1997

RPI 1368

14.1

05/18/1993

RPI 1172

Solicitação de exame técnico

#4.1

06/23/1992

RPI 1125

Publicação do pedido de patente

#3.1

08/13/1991

RPI 1080

Pedido de patente depositado

#2.1

10/09/1990

RPI 1036

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