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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE DE COMPOSTO N-ALCOXIALQUILAMIDA

PublicadaInvention Patent

Application data

Number

PI8901924

Type

Invention Patent

Filing

04/24/1989

Publication

11/28/1989

Progress at the INPI

  1. Filing04/24/89
  2. Publication11/28/89
  3. Examination12/03/91
  4. Allowance06/02/98
  5. Grant11/24/98
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

US

Revlon, Inc

US

See this company's full portfolio

Inventors

J. C. (pessoa física)

US

Technical data

Priority claims

US

184.858 · 04/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/28/1989

RPI 997

Pedido de patente depositado

#2.1

05/30/1989

RPI 971

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: A61K 7/48; C07C 235/74; C07C 235/76.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 24/04/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

DEFERIDO DE ACORDO COM A LEI 9279 DE 14/05/96

06/02/1998

RPI 1432

Exigência - art. 36 da LPI

#6.1

02/27/1996

RPI 1317

14.1

03/30/1993

RPI 1165

Solicitação de exame técnico

#4.1

12/03/1991

RPI 1096

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