(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

Processo de polimerização por radical livre

ArquivadaInvention PatentPCT · US1996015954

Application data

Number

PI9611819

Type

Invention Patent

Filing

10/03/1996

Publication

12/14/1999

PCT

US1996015954

Progress at the INPI

  1. Filing10/03/96
  2. Publication12/14/99
  3. Abandoned
  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: 11/11/2003. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

D. P. (pessoa física)

US

P. V. (pessoa física)

BE

W. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

08/560,235 · 11/21/1995

Abstract

"PROCESSO DE POLIMERIZAÇÃO POR RADICAL LIVRE", para produzir um polímero ramificado a partir de um monômero vinil aromático compreendendo polimerizar um monômero vinila aromático na presença de um iniciador de radical livre da fórmula (I), onde R é H, ou aralquila, e R' é alquila ou arila.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/11/2003

RPI 1714

Exigência - art. 36 da LPI

#6.1

05/20/2003

RPI 1689

Notificação de entrada na fase nacional - PCT

#1.3

12/14/1999

RPI 1510

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.