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Official data from INPI

PROCESSO DE REDUCAO DO CONTEUDO DE ACETALDEIDO E DO TEOR DE GERACAO DO ACETALDEIDO DA APARA DE TEREFTALATO DE POLIETILENO E PROCESSO DE MOLDAGEM DE RECIPIENTE DE TEREFTALATO DE POLIETILENO

Em AnáliseInvention Patent

Application data

Number

PI7902798

Type

Invention Patent

Filing

05/16/1978

Publication

-

Progress at the INPI

  1. Filing05/16/78
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 09/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CELANESE CORP

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Inventors

No inventors listed.

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.2

09/02/1986

RPI 828

101

02/04/1986

RPI 798

Recurso

#12.1

01/03/1984

RPI 689

Deferimento

#9.1

09/20/1983

RPI 674

Republicação - classificação IPC

#15.11

04/26/1983

RPI 653

Exigência - art. 36 da LPI

#6.1

02/01/1983

RPI 641

6.2

03/16/1982

RPI 595

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