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Official data from INPI

COMPOSIÇÃO DE PERÓXIDOS E PROCESSO PARA RETICULAÇÃO DE POLIETILENO, EPDM OU UM COPOLÍMERO DE ETILENO E ACETATO DE VINILA

Em AnáliseInvention Patent

Application data

Number

PI7907711

Type

Invention Patent

Filing

11/28/1979

Publication

-

Progress at the INPI

  1. Filing11/28/79
  2. Publication
  3. Examination
  4. Allowance05/09/89
  5. Grant03/20/90
  6. Expired05/02/95

The letters patent expired on 05/02/1995: 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. I. (pessoa física)

US

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Inventors

K. S. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

12/05/1989

RPI 998

9.1.3

08/08/1989

RPI 981

Deferimento

#9.1

05/09/1989

RPI 968

Exigência - art. 36 da LPI

#6.1

09/11/1984

RPI 725

Conhecimento de parecer técnico

#7.1

01/24/1984

RPI 692

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

Concessão da patente

#16.1

03/20/1990

RPI 1010

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