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

MISTURA COPOLIMERIZÁVEL DE MONÔMEROS, COPOLÍMERO E PROCESSO PARA PRODUZIR O COPOLÍMERO

ArquivadaInvention Patent

Application data

Number

PI9201921

Type

Invention Patent

Filing

05/21/1992

Publication

01/05/1993

Progress at the INPI

  1. Filing05/21/92
  2. Publication01/05/93
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 05/21/1992 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: 10/03/1995. 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

K. B. (pessoa física)

US

L. S. (pessoa física)

US

R. K. (pessoa física)

US

S. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

703.957 · 05/22/1991

Abstract

Copolímeros compreendendo, em uma forma polimerizada, um comonômero bisciclobutareno e, pelo menos, um comonômero polimaleimida, são preparados.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

10/03/1995

RPI 1296

Publicação do pedido de patente

#3.1

01/05/1993

RPI 1153

Pedido de patente depositado

#2.1

07/21/1992

RPI 1129

Patent monitoring

Track this patent in real time.

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