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

PROCESSO PARA A PREPARAÇÃO DE 9-AMINO-1,2,3,4-TETRAIDROACRIDINA

ArquivadaInvention Patent

Application data

Number

PI9200524

Type

Invention Patent

Filing

02/18/1992

Publication

10/20/1992

Progress at the INPI

  1. Filing02/18/92
  2. Publication10/20/92
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 02/18/1992 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/10/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. I. (pessoa física)

US

Inventors

K. G. (pessoa física)

US

T. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

656.389 · 02/19/1991

Abstract

É descrito um processo para preparar 9-amino-1,2,3,4-tetraidroacridina pela reação de 2-aminobenzonitrila e ciclohexanona com ácido ptoluenossulfônico monoidratado em xilenos.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

01/10/1995

RPI 1258

Publicação do pedido de patente

#3.1

10/20/1992

RPI 1142

Pedido de patente depositado

#2.1

03/31/1992

RPI 1113

Patent monitoring

Track this patent in real time.

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