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Official data from INPI

POLIMEROS E COPOLIMEROS CRISTALINOS DE PROPILENO,COMPOSICOES POLIMERICAS,E PROCESSOS PARA A SUA PREPARACAO

Em AnáliseInvention Patent

Application data

Number

PI7605659

Type

Invention Patent

Filing

08/29/1975

Publication

-

Progress at the INPI

  1. Filing08/29/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/29/82
  6. In force08/29/95

The patent was granted on 06/29/1982 and is in force until 08/29/1995. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:08/29/1995

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MONTEDISON SPA

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Inventors

B. P. (pessoa física)

L. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

114

05/24/1988

RPI 918

18.5

09/22/1987

RPI 883

18.3

06/16/1987

RPI 869

18.1

10/29/1986

RPI 836

Concessão da patente

#16.1

06/29/1982

RPI 610

Notificação para pagamento de retribuição

#13.1

11/17/1981

RPI 578

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