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

DIISOCIANATO DE TOLUENO BRUTO MODIFICADO

ConcedidaInvention Patent

Application data

Number

PI8205598

Type

Invention Patent

Filing

09/25/1981

Publication

08/30/1983

Progress at the INPI

  1. Filing09/25/81
  2. Publication08/30/83
  3. Examination11/01/83
  4. Allowance01/07/86
  5. Grant04/28/87
  6. Terminated06/26/90

The patent was granted on 04/28/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UGINE KUHLMANN [FR]

See this company's full portfolio

Inventors

B. J. (pessoa física)

G. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/28/1987

RPI 862

110

01/13/1987

RPI 847

Recurso

#12.1

05/06/1986

RPI 811

Deferimento

#9.1

01/07/1986

RPI 794

Exigência - art. 36 da LPI

#6.1

02/20/1985

RPI 748

Solicitação de exame técnico

#4.1

11/01/1983

RPI 680

Publicação do pedido de patente

#3.1

08/30/1983

RPI 671

Pedido de patente depositado

#2.1

11/16/1982

RPI 630

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

Patent monitoring

Track this patent in real time.

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