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Official data from INPI

PROCESSO DE COPOLIMERIZACAO DA ACRILONITRILA

Em AnáliseInvention Patent

Application data

Number

PI7702849

Type

Invention Patent

Filing

05/17/1976

Publication

-

Progress at the INPI

  1. Filing05/17/76
  2. Publication
  3. Examination
  4. Allowance09/21/82
  5. Grant05/31/83
  6. In force05/17/96

The patent was granted on 05/31/1983 and is in force until 05/17/1996. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:05/17/1996

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Latest action published by the INPI: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STANDARD OIL CO

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Inventors

C. G. (pessoa física)

M. H. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.3

11/22/1988

RPI 944

18.1

07/12/1988

RPI 925

Republicação - classificação IPC

#15.11

03/04/1986

RPI 802

Republicação - classificação IPC

#15.11

01/14/1986

RPI 795

Republicação - classificação IPC

#15.11

01/07/1986

RPI 794

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

01/25/1983

RPI 640

Deferimento

#9.1

09/21/1982

RPI 622

Exigência - art. 36 da LPI

#6.1

04/13/1982

RPI 599

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