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

PROCESSO PARA A PRODUÇÃO DE UM POLÍMERO.

ConcedidaInvention Patent

Application data

Number

PI8305595

Type

Invention Patent

Filing

10/11/1983

Publication

05/22/1984

Progress at the INPI

  1. Filing10/11/83
  2. Publication05/22/84
  3. Examination08/12/86
  4. Allowance02/09/88
  5. Grant07/26/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy Ag

CH

Novartis AG (Novartis SA) (Novartis Inc.)

CH

Sandoz AG

CH

See this company's full portfolio

Inventors

K. M. (pessoa física)

US

S. H. (pessoa física)

US

W. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

433.743 · 10/12/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Deferimento

#9.1

02/09/1988

RPI 903

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

05/22/1984

RPI 709

Pedido de patente depositado

#2.1

12/27/1983

RPI 688

Carta-patente expirada

#21.1

Patente extinta em 11/10/98

07/01/2008

RPI 1956

Transferência deferida

#25.1

Transferido por incorporação de: Ciba-Geigy AG

10/13/1999

RPI 1501

Transferência deferida

#25.1

Transferido por fusão de: Ciba-Geigy AG.

09/14/1999

RPI 1497

Patent monitoring

Track this patent in real time.

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