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Official data from INPI

Película de múltiplas camadas e película reticulada.

Em AnáliseInvention Patent

Application data

Number

PI8405446

Type

Invention Patent

Filing

10/25/1984

Publication

09/03/1985

Progress at the INPI

Office action pending
  1. Filing10/25/84
  2. Publication09/03/85
  3. Examination04/08/86
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical office action on this application. If it is not answered in time, the application is abandoned (art. 36 of the Brazilian IP Act).

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Latest action published by the INPI: 04/08/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co.

US

See this company's full portfolio

Inventors

W. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

573.077 · 01/23/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/08/1986

RPI 807

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

01/15/1985

RPI 743

Retificação

#15.3

01/14/1992

RPI 1102

Exigência - art. 36 da LPI

#6.1

05/07/1991

RPI 1066

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