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Official data from INPI

COMPOSICOES ESTABILIZANTES PARA RESINAS HALOGENADAS

ConcedidaInvention Patent

Application data

Number

PI7803418

Type

Invention Patent

Filing

08/29/1977

Publication

-

Progress at the INPI

  1. Filing08/29/77
  2. Publication
  3. Examination
  4. Allowance02/09/88
  5. Grant08/30/88
  6. Expired11/30/93

The letters patent expired on 11/30/1993: 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

06/07/1988

RPI 920

Deferimento

#9.1

02/09/1988

RPI 903

11.8

08/04/1987

RPI 876

Retificação

#15.3

04/22/1987

RPI 861

Exigência - art. 36 da LPI

#6.1

12/21/1982

RPI 635

6.2

12/08/1981

RPI 581

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

Pedido de licença compulsória

#20.1

04/24/1990

RPI 1015

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