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Official data from INPI

PROCESSO PARA A PREPARACAO DE TRIAZOIS AROMATICOS

ConcedidaInvention Patent

Application data

Number

PI8205499

Type

Invention Patent

Filing

09/21/1981

Publication

08/23/1983

Progress at the INPI

  1. Filing09/21/81
  2. Publication08/23/83
  3. Examination09/24/85
  4. Allowance03/15/88
  5. Grant08/30/88
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNIROYAL INC [US]

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Inventors

G. A. (pessoa física)

L. E. (pessoa física)

W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Deferimento

#9.1

03/15/1988

RPI 908

Exigência - art. 36 da LPI

#6.1

08/05/1986

RPI 824

Solicitação de exame técnico

#4.1

09/24/1985

RPI 779

Publicação do pedido de patente

#3.1

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

11/09/1982

RPI 629

Carta-patente expirada

#21.1

Patente extinta em 20/09/97

08/19/2008

RPI 1963

Pedido de licença compulsória

#20.1

04/02/1991

RPI 1061

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