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Official data from INPI

MISTURA POLIMÉRICA CONTENDO POLICARBONATO AROMÁTICO, POLÍMERO DE ENXERTO E/OU COPOLÍMERO CONTENDO ESTIRENO E UM RETARDADOR DE CHAMA

Arquivada/ExtintaInvention PatentPCT · US1989004105

Application data

Number

PI8907094

Type

Invention Patent

Filing

09/21/1989

Publication

01/08/1991

PCT

US1989004105

Progress at the INPI

  1. Filing09/21/89
  2. Publication01/08/91
  3. Examination08/18/92
  4. Allowance12/26/95
  5. Grant09/24/96
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

C. P. (pessoa física)

BE

C. C. (pessoa física)

NL

H. S. (pessoa física)

NL

J. G. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

8802346 · 09/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/09/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

09/24/1996

RPI 1347

Deferimento

#9.1

12/26/1995

RPI 1308

Exigência - art. 36 da LPI

#6.1

01/31/1995

RPI 1261

Solicitação de exame técnico

#4.1

08/18/1992

RPI 1133

Notificação de entrada na fase nacional - PCT

#1.3

01/08/1991

RPI 1049

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