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Official data from INPI

COMPOSTOS DE TRIAZINA, PROCESSO PARA SUA PREPARAÇÃO, SUA APLICAÇÃO, PROCESSO PARA A ESTABILIZAÇÃO DE POLÍMEROS SINTÉTICOS, E POLÍMEROS SINTÉTICOS ASSIM ESTABILIZADOS.

ConcedidaInvention Patent
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Application data

Number

PI8007134

Type

Invention Patent

Filing

11/04/1980

Publication

-
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Progress at the INPI

  1. Filing11/04/80
  2. Publication
  3. Examination05/24/83
  4. Allowance08/13/85
  5. Grant03/25/86
  6. Expired12/26/95

The letters patent expired on 12/26/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

P. G. (pessoa física)

W. H. (pessoa física)

Technical data

IPC Classification

C07D 251/54C08J 3/20C08L 101/00C08L 23/00

Priority claims

DE

P 29 44 729.8 · 11/06/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

12/17/1985

RPI 791

Deferimento

#9.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Solicitação de exame técnico

#4.1

05/24/1983

RPI 657

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

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