Official data from INPI

PROCESSO PARA A PREPARACAO DE UMA COLA DE UREIA-FORMALDEIDO,COLAS ASSIM OBTIDAS,E APLICACAO DAS MESMAS

ConcedidaInvention Patent

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Application data

Number

PI7902132

Type

Invention Patent

Filing

04/07/1978

Publication

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Progress at the INPI

Filing04/07/78
Publication
Examination
Allowance04/24/84
Grant10/30/84
Expired06/21/94

The letters patent expired on 06/21/1994: 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: 10/30/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PATENTES NOVEDADES SA

Inventors

B. R. (pessoa física)

Technical data

IPC Classification

C09J 3/16

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

08/21/1984

RPI 722

Deferimento

#9.1

04/24/1984

RPI 705

Exigência - art. 36 da LPI

#6.1

11/01/1983

RPI 680

6.2

03/16/1982

RPI 595

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

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