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Official data from INPI

Processo de preparação de um poliéster aromático.

ArquivadaInvention Patent
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Application data

Number

PI8403550

Type

Invention Patent

Filing

07/17/1984

Publication

07/02/1985
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Progress at the INPI

  1. Filing07/17/84
  2. Publication07/02/85
  3. Abandoned05/27/86
  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: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dart Industries Inc

US

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Inventors

F. B. (pessoa física)

Technical data

IPC Classification

C08G 63/60C08G 63/83C08K 3/105C08K 5/098C08L 67/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

01/17/1989

RPI 952

Exigência - art. 36 da LPI

#6.1

06/14/1988

RPI 921

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

07/02/1985

RPI 767

Pedido de patente depositado

#2.1

09/25/1984

RPI 727

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08G 63/22; C08G 63/18; C08K 3/24; C08K 5/098.

03/27/2018

RPI 2464

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