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Official data from INPI

POLIAIS DE POLI(CARBONATO DE ALQUILENO) TENDO UMA MÉDIA DE ATÉ UMA PORÇÃO ÁCIDA TERMINAL E SAIS DOS MESMOS

ArquivadaInvention PatentPCT · US1988000590

Application data

Number

PI8807483

Type

Invention Patent

Filing

02/24/1988

Publication

05/22/1990

PCT

US1988000590

Progress at the INPI

  1. Filing02/24/88
  2. Publication05/22/90
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 02/24/1988 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

H. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08L 69/00; B01F 17/52; C08G 63/62.

03/27/2018

RPI 2464

Arquivamento - Art. 33 da LPI

#11.1

11/26/1991

RPI 1095

Notificação de entrada na fase nacional - PCT

#1.3

05/22/1990

RPI 1019

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