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Official data from INPI

POLÍMERO ADEQUADO PARA USO COMO MÁSCARA DE SOLDAGEM; COMPOSIÇÃO LÍQUIDA FOTOPOLIMERIZÁVEL; PROCESSO PARA PREPARAR POLÍMERO; PROCESSO PARA PRODUZIR MÁSCARA DE SOLDAGEM NO "HOT MELT".

ArquivadaInvention Patent

Application data

Number

PI8404190

Type

Invention Patent

Filing

08/22/1984

Publication

03/11/1986

Progress at the INPI

  1. Filing08/22/84
  2. Publication03/11/86
  3. Abandoned04/12/88
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. R. Grace & Co.

Inventors

H. M. (pessoa física)

P. H. (pessoa física)

W. B. (pessoa física)

Technical data

Priority claims

US

583.088 · 02/23/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/05/1989

RPI 985

Exigência - art. 36 da LPI

#6.1

02/08/1989

RPI 955

Solicitação de exame técnico

#4.1

04/12/1988

RPI 912

Publicação do pedido de patente

#3.1

03/11/1986

RPI 803

Pedido de patente depositado

#2.1

10/23/1984

RPI 731

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