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Official data from INPI

SISTEMA DE RESINA DE BISMALEIMIDA CURÁVEL POR CALOR, MATERIAL PRÉ-IMPREGNADO COM RESINA DE MATRIZ CURÁVEL POR CALOR, E, MATERIAL COMPÓSITO CURADO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9000725

Type

Invention Patent

Filing

02/16/1990

Publication

01/22/1991

Progress at the INPI

  1. Filing02/16/90
  2. Publication01/22/91
  3. Examination05/18/93
  4. Allowance01/05/99
  5. Grant07/13/99
  6. Expired01/02/13

The letters patent expired on 01/02/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

Cytec Technology Corp.

US

See this company's full portfolio

Inventors

J. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

312.526 · 02/17/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 16/02/2010

01/02/2013

RPI 2191

Concessão da patente

#16.1

07/13/1999

RPI 1488

Republicação - classificação IPC

#15.11

ALTERADA DE C08L 79/08, C08J 5/06

02/02/1999

RPI 1465

Deferimento

#9.1

01/05/1999

RPI 1461

Exigência - art. 36 da LPI

#6.1

07/14/1998

RPI 1438

Exigência - art. 36 da LPI

#6.1

01/28/1997

RPI 1365

14.1

08/16/1994

RPI 1237

Solicitação de exame técnico

#4.1

05/18/1993

RPI 1172

Publicação do pedido de patente

#3.1

01/22/1991

RPI 1051

Pedido de patente depositado

#2.1

05/15/1990

RPI 1018

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