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Official data from INPI

ESTRUTURAS COM CAMADAS POLIMÉRICAS MÚLTIPLAS

PublicadaInvention Patent

Application data

Number

PI8900050

Type

Invention Patent

Filing

01/06/1989

Publication

08/22/1989

Progress at the INPI

  1. Filing01/06/89
  2. Publication08/22/89
  3. Examination07/30/91
  4. Allowance
  5. Grant
  6. In force

Published on 08/22/1989, 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Solvay & Cie

BE

See this company's full portfolio

Inventors

C. D. (pessoa física)

BE

Technical data

Priority claims

BE

08800018 · 01/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/22/1989

RPI 983

Pedido de patente depositado

#2.1

02/21/1989

RPI 957

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B32B 7/12; C09J 3/14; B32B 27/08.

03/27/2018

RPI 2464

Retificação

#15.3

07/04/1995

RPI 1283

Solicitação de exame técnico

#4.1

07/30/1991

RPI 1078

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