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Official data from INPI

AGLUTINANTE HIDRÁULICO, PROCESSO PARA SUA PREPARAÇÃO E PROCESSO PARA MELHORAR A ESTABILIDADE DURANTE A ARMAZENAGEM DE UM AGLUTINANTE HIDRÁULICO

PublicadaInvention Patent
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Application data

Number

PI8802121

Type

Invention Patent

Filing

05/02/1988

Publication

11/21/1989
View on INPI

Progress at the INPI

  1. Filing05/02/88
  2. Publication11/21/89
  3. Examination02/18/92
  4. Allowance
  5. Grant
  6. In force

Published on 11/21/1989, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mac Modern Advanced Concrete S.p.A.

IT

Sandoz A.G. (Sandoz S.A., Sandoz Ltd.)

CH

Inventors

M. C. (pessoa física)

IT

S. B. (pessoa física)

IT

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/21/1989

RPI 996

Pedido de patente depositado

#2.1

09/20/1988

RPI 935

Retificação

#15.3

10/10/1995

RPI 1297

Solicitação de exame técnico

#4.1

02/18/1992

RPI 1107

14.1

08/21/1990

RPI 1029

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