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Official data from INPI

PROCESSO PARA RETICULACAO DE UM POLIMERO SATURADO CONTENDO HALOGENIO,POLIMERO ASSIM RETICULADO CONCENTRADO PARA APLICACAO NO DITO PROCESSO,E COMPOSICAO RETICULAVEL

ConcedidaInvention Patent

Application data

Number

PI7708086

Type

Invention Patent

Filing

10/17/1977

Publication

-

Progress at the INPI

  1. Filing10/17/77
  2. Publication
  3. Examination
  4. Allowance09/01/87
  5. Grant04/26/88
  6. Expired09/21/93

The letters patent expired on 09/21/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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

HERCULES INC

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Inventors

R. J. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Deferimento

#9.1

09/01/1987

RPI 880

Exigência - art. 36 da LPI

#6.1

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

03/29/1983

RPI 649

6.2

01/05/1982

RPI 585

Carta-patente expirada

#21.1

09/21/1993

RPI 1190

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