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Official data from INPI

COMPOSICAO DE DIESTER PARA TRATAMENTO TEXTIL FIBRA SINTETICA REVESTIDA E CONVERSAO TRATAMENTO E PROCESSOS DE PREPARACAO

ArquivadaInvention Patent
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Application data

Number

PI8107002

Type

Invention Patent

Filing

11/03/1980

Publication

07/13/1982
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Progress at the INPI

  1. Filing11/03/80
  2. Publication07/13/82
  3. Abandoned02/22/83
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M & T CHEMICALS INC [US]

Inventors

W. B. (pessoa física)

Technical data

IPC Classification

C08K 5/12D06P 1/44

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/23/1989

RPI 970

Exigência - art. 36 da LPI

#6.1

10/18/1988

RPI 939

14.1

04/26/1988

RPI 914

Republicação - classificação IPC

#15.11

01/15/1985

RPI 743

Conhecimento de parecer técnico

#7.1

07/17/1984

RPI 717

Solicitação de exame técnico

#4.1

02/22/1983

RPI 644

Publicação do pedido de patente

#3.1

07/13/1982

RPI 612

Pedido de patente depositado

#2.1

12/15/1981

RPI 582

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