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

PROCESSO PARA PRODUZIR UM COMPOSTO E PROCESSO PARA PREPARAÇÃO DE UM POLÍMERO OLEFÍNICO

Arquivada/ExtintaInvention PatentPCT · US1990005208

Application data

Number

PI9007642

Type

Invention Patent

Filing

09/13/1990

Publication

07/21/1992

PCT

US1990005208

Progress at the INPI

  1. Filing09/13/90
  2. Publication07/21/92
  3. Examination06/15/93
  4. Allowance05/30/00
  5. Grant10/17/00
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents Inc

US

See this company's full portfolio

Inventors

J. C. (pessoa física)

US

Technical data

Priority claims

US

406.945 · 09/13/1989

US

533.245 · 06/04/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/10/2010

05/28/2013

RPI 2212

Concessão da patente

#16.1

10/17/2000

RPI 1554

Deferimento

#9.1

05/30/2000

RPI 1534

Exigência - art. 36 da LPI

#6.1

06/01/1999

RPI 1482

Pedido de certificado de adição de invenção

#5.1

11/09/1993

RPI 1197

Solicitação de exame técnico

#4.1

06/15/1993

RPI 1176

Notificação de entrada na fase nacional - PCT

#1.3

07/21/1992

RPI 1129

Patent monitoring

Track this patent in real time.

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