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Official data from INPI

COPOLÍMEROS HIDROSSOLÚVEIS, ESTÁVEIS FACE A ÁCIDOS, SUA PRODUÇÃO E APLICAÇÃO.

ArquivadaInvention Patent

Application data

Number

PI8109019

Type

Invention Patent

Filing

12/14/1981

Publication

04/12/1983

Progress at the INPI

  1. Filing12/14/81
  2. Publication04/12/83
  3. Abandoned08/07/84
  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: 12/24/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. A. (pessoa física)

DE

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Inventors

D. [. (pessoa física)

E. [. (pessoa física)

H. [. (pessoa física)

K. [. (pessoa física)

R. R. (pessoa física)

R. U. (pessoa física)

[. (pessoa física)

Technical data

IPC Classification

Priority claims

US

216.671 · 12/15/1980

US

PCT/EP 81/00192 · 12/14/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

12/24/1985

RPI 792

Exigência - art. 36 da LPI

#6.1

05/21/1985

RPI 761

Solicitação de exame técnico

#4.1

08/07/1984

RPI 720

Notificação de entrada na fase nacional - PCT

#1.3

04/12/1983

RPI 651

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