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

POLIÉTERES AMINO-FUNCIONAIS CONTENDO MOLÉCULAS DE URÉIA, BIURETO, TIOURÉIA, DITIOBIURETO, TIOAMIDA E/OU AMIDA EM SUA CADEIA PRINCIPAL, E PRÉ-POLÍMEROS DE URETANA/URÉIA E POLÍMEROS PRODUZIDOS A PARTIR DESSES PRÉ-POLÍMEROS

ArquivadaInvention PatentPCT · US1988003120

Application data

Number

PI8807710

Type

Invention Patent

Filing

09/09/1988

Publication

08/07/1990

PCT

US1988003120

Progress at the INPI

  1. Filing09/09/88
  2. Publication08/07/90
  3. Abandoned02/13/91
  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: 07/25/1995. 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

C. D. (pessoa física)

US

R. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

099.027 · 09/21/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

07/25/1995

RPI 1286

Exigência - art. 36 da LPI

#6.1

10/04/1994

RPI 1244

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

Notificação de entrada na fase nacional - PCT

#1.3

08/07/1990

RPI 1027

Patent monitoring

Track this patent in real time.

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