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Official data from INPI

PROCESSO DE POLIMERIZAÇÃO OU COPOLIMERIZAÇÃO DE MONÔMEROS DE ACRILATO.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003066

Type

Invention Patent

Filing

06/29/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing06/29/90
  2. Publication08/27/91
  3. Examination12/03/91
  4. Allowance03/09/99
  5. Grant07/27/99
  6. Expired01/22/13

The letters patent expired on 01/22/2013: 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: 01/22/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rohm And Haas Company

US

See this company's full portfolio

Inventors

G. S. (pessoa física)

US

K. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

371,467 · 06/26/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/06/2010

01/22/2013

RPI 2194

Republicação - classificação IPC

#15.11

Alterado da Int Cl5 C08F 20/06, 22/06.

11/21/2000

RPI 1559

Concessão da patente

#16.1

07/27/1999

RPI 1490

Deferimento

#9.1

De acordo com o artigo 229 da LPI nº9279 de 14/05/96.

03/09/1999

RPI 1470

Exigência - art. 36 da LPI

#6.1

08/11/1998

RPI 1442

Solicitação de exame técnico

#4.1

12/03/1991

RPI 1096

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

12/18/1990

RPI 1046

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