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Official data from INPI

PROCESSO PARA FAZER PAPEL, E COMPOSIÇÃO ADITIVA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101722

Type

Invention Patent

Filing

04/29/1991

Publication

12/24/1991

Progress at the INPI

  1. Filing04/29/91
  2. Publication12/24/91
  3. Examination03/29/94
  4. Allowance10/26/99
  5. Grant05/16/00
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

C. C. (pessoa física)

US

Cytec Technology Corp.

US

See this company's full portfolio

Inventors

D. H. (pessoa física)

US

E. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/540,667 · 06/18/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/04/2011

06/04/2013

RPI 2213

Transferência deferida

#25.1

Transferido de: Cytec Technology Corp.

07/20/2004

RPI 1750

Transferência deferida

#25.1

Transferido de: American Cyanamid Company.

07/13/2004

RPI 1749

Alteração de sede deferida

#25.7

Alterada a sede do titular conforme solicitado na petição nº 012899/RJ de 10/03/2004.

07/06/2004

RPI 1748

Concessão da patente

#16.1

05/16/2000

RPI 1532

Deferimento

#9.1

10/26/1999

RPI 1503

Exigência - art. 36 da LPI

#6.1

06/22/1999

RPI 1485

Exigência - art. 36 da LPI

#6.1

10/27/1998

RPI 1451

Solicitação de exame técnico

#4.1

03/29/1994

RPI 1217

Publicação do pedido de patente

#3.1

12/24/1991

RPI 1099

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