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Official data from INPI

COPOLIMERIZAÇÃO HOMOGÊNEA DE MONÔMEROS APOLARES COM MONÔMEROS ANFIFÍLICOS IÔNICOS.

ArquivadaInvention PatentPCT · US1987001399

Application data

Number

PI8707343

Type

Invention Patent

Filing

06/08/1987

Publication

09/13/1988

PCT

US1987001399

Progress at the INPI

  1. Filing06/08/87
  2. Publication09/13/88
  3. Abandoned01/02/90
  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.

Talk to a specialist

Latest action published by the INPI: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

E. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

872.782 · 06/10/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

09/13/1988

RPI 934

Arquivamento - Art. 36 §1° da LPI

#11.2

10/04/1994

RPI 1244

Exigência - art. 36 da LPI

#6.1

02/22/1994

RPI 1212

Solicitação de exame técnico

#4.1

01/02/1990

RPI 1000

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