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

DERIVADOS DE TETRAZINA

Em AnálisePatente Pipeline

Application data

Number

PP1100160

Type

Patente Pipeline

Filing

03/06/1997

Publication

04/14/1998

Progress at the INPI

  1. Filing03/06/97
  2. Publication04/14/98
  3. Examination
  4. Allowance
  5. Grant
  6. Terminated03/20/12

The patent was granted and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/20/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cancer Research Campaign Technology, Ltd.

GB

Inventors

E. L. (pessoa física)

US

K. W. (pessoa física)

US

M. S. (pessoa física)

US

R. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

GB

8125791 · 08/24/1981

Abstract

Patente de Invenção: "DERIVADOS DE TRETAZINA" . A presente invenção refere-se a novos derivados DE [3]-imizado[5,1-d] 1,2,3,5-tetrazin-4-ona, a processos para a sua preparação, e a composições farmacêuticas que os contêm.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

23.19

Patente extinta em 24/08/2001

03/20/2012

RPI 2150

15.12

Renumerado o pedido de PI1100160-7 para PP1100160-7.

11/09/2010

RPI 2079

23.9

05/18/1999

RPI 1480

23.13

11/10/1998

RPI 1453

23.3

04/14/1998

RPI 1425

Pedido dividido

#23.1

10/21/1997

RPI 1403

Patent monitoring

Track this patent in real time.

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