(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

MISTURA DE POLÍMERO

Arquivada/ExtintaInvention PatentPCT · US1995012773

Application data

Number

PI9510388

Type

Invention Patent

Filing

10/04/1995

Publication

12/23/1997

PCT

US1995012773

Progress at the INPI

  1. Filing10/04/95
  2. Publication12/23/97
  3. Examination
  4. Allowance04/15/03
  5. Grant12/09/03
  6. Expired12/08/15

The letters patent expired on 12/08/2015: 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: 12/08/2015. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dow Global Technologies Inc.

US

The Dow Chemical Company

US

See this company's full portfolio

Inventors

D. M. (pessoa física)

US

J. D. (pessoa física)

US

K. S. (pessoa física)

US

L. M. (pessoa física)

US

L. H. (pessoa física)

US

N. W. (pessoa física)

US

P. J. (pessoa física)

US

S. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

08/327,156 · 10/21/1994

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/10/2015

12/08/2015

RPI 2344

Concessão da patente

#16.1

12/09/2003

RPI 1718

Transferência deferida

#25.1

Transferido de: The Dow Chemical Company

10/07/2003

RPI 1709

Deferimento

#9.1

04/15/2003

RPI 1684

Exigência - art. 36 da LPI

#6.1

07/02/2002

RPI 1643

Exigência - art. 36 da LPI

#6.1

05/22/2001

RPI 1585

Notificação de entrada na fase nacional - PCT

#1.3

12/23/1997

RPI 1409

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.