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Official data from INPI

NAFTOPIRANOS FUNDIDOS DE 7-METILIDENO-5-OXO-FURO

Arquivada/ExtintaInvention PatentPCT · US1998021507

Application data

Number

PI9815252

Type

Invention Patent

Filing

10/13/1998

Publication

11/27/2001

PCT

US1998021507

Progress at the INPI

  1. Filing10/13/98
  2. Publication11/27/01
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned for failure to pay the annuities (art. 86 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/13/2011. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Transitions Optical INC.

US

See this company's full portfolio

Inventors

J. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

08/958,722 · 10/23/1997

Abstract

"NAFTOPIRANOS FUNDIDOS DE 7-METILIDENO-5-OXO-FURO". Aqui são descritos novos compostos de naftopirano fundido 7-metilideno-5-oxo-furo tendo certos substituintes na posição 2 do anel pirano. Também são descritos, aqui, materiais orgânicos poliméricos hospedeiros que contém ou são revestidos com tais compostos.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento definitivo por descumprimento

#8.11

Referente ao despacho 8.6 publicado na RPI 1912 de 28/08/2007.

12/13/2011

RPI 2136

Arquivamento por falta de pagamento

#8.6

Referente a 8ª e 9ª anuidades.

08/28/2007

RPI 1912

Notificação de entrada na fase nacional - PCT

#1.3

11/27/2001

RPI 1612

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