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

PROCESSO PARA PREPARAÇÃO DE UM DIURETANO, COMPOSTO, PROCESSO PARA A PREPARAÇÃO DE UM COMPOSTO DE ISOCIANATO, COMPOSTO DE DIISOCIANATO E COMPOSIÇÃO CURÁVEL

PublicadaInvention Patent

Application data

Number

PI8705867

Type

Invention Patent

Filing

11/03/1987

Publication

06/14/1988

Progress at the INPI

  1. Filing11/03/87
  2. Publication06/14/88
  3. Abandoned09/25/90
  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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

R. F. (pessoa física)

US

V. A. (pessoa física)

US

Technical data

Priority claims

US

926,054 · 11/03/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

06/14/1988

RPI 921

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 125/07; C07C 119/042; C08L 33/04; C08G 18/70.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

09/19/1995

RPI 1294

Exigência - art. 36 da LPI

#6.1

10/25/1994

RPI 1247

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

Patent monitoring

Track this patent in real time.

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