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Official data from INPI

COPOLÍMERO DE DIBLOCO E TRIBLOCO, SISTEMA DE DISTRIBUIÇÃO DE DROGA DE LIBERAÇÃO LENTA, PROCESSO PARA PREPARAR UM COPOLÍMERO DE BLOCO, E, PROCESSO PARA PREPARAR UM SISTEMA DE DISTRIBUIÇÃO DE DROGA DE LIBERAÇÃO LENTA

PublicadaInvention Patent

Application data

Number

PI8704648

Type

Invention Patent

Filing

09/04/1987

Publication

04/26/1988

Progress at the INPI

Under appeal
  1. Filing09/04/87
  2. Publication04/26/88
  3. Examination08/28/90
  4. Refused01/09/96
  5. Grant
  6. In force

The application was refused by the INPI on 01/09/1996. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

D. C. (pessoa física)

US

L. R. (pessoa física)

US

P. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

903.797 · 09/05/1986

US

903.801 · 09/05/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/26/1988

RPI 914

Pedido de patente depositado

#2.1

12/01/1987

RPI 893

Indeferimento

#9.2

01/09/1996

RPI 1310

Conhecimento de parecer técnico

#7.1

02/07/1995

RPI 1262

Exigência - art. 36 da LPI

#6.1

09/14/1993

RPI 1189

Exigência - art. 36 da LPI

#6.1

06/02/1992

RPI 1122

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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