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

PROCESSO PARA A PREPARAÇÃO DE MONOACIL POLIALQUILENO POLIAMINAS

Em AnáliseInvention Patent

Application data

Number

PI8501971

Type

Invention Patent

Filing

04/25/1985

Publication

12/24/1985

Progress at the INPI

  1. Filing04/25/85
  2. Publication12/24/85
  3. Examination01/26/88
  4. Allowance05/26/92
  5. Grant12/29/92
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 01/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson & Johnson

US

See this company's full portfolio

Inventors

E. L. (pessoa física)

US

J. G. (pessoa física)

US

R. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

604.267 · 04/26/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/26/1988

RPI 901

Publicação do pedido de patente

#3.1

12/24/1985

RPI 792

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Carta-patente expirada

#21.1

Patente extinta em 25/04/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

12/29/1992

RPI 1152

Notificação para pagamento de retribuição

#13.1

10/20/1992

RPI 1142

Republicação - classificação IPC

#15.11

08/11/1992

RPI 1132

Deferimento

#9.1

05/26/1992

RPI 1121

Exigência - art. 36 da LPI

#6.1

07/23/1991

RPI 1077

Patent monitoring

Track this patent in real time.

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