Patent Yard Sign in
Expired Canadian patentCanada

Fluid polyester moulding masses

CA 2554038 C · Owner: Basf Aktiengesellschaft · Inventors: Weiss, Carsten; Bruchmann, Bernd; Eipper, Andreas

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

The invention relates to thermoplastic moulding masses containing A) 10 to , 99.99 wt. % of at least one thermoplastic polyester B) 0.01 to 50 wt. % of a , highly- or hyperbranched polyester of the type AxBy whereby x represents at , least 1.1 and y at least 2.1 and C) 0 to 60 wt. % of other additives the sum , of the weight percentages of the constituents A) to C) being equal to 100 %.

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed February 2, 2005 and granted May 28, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 2, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 2, 2005
GrantedMay 28, 2013
Term endedFebruary 2, 2025
Patent numberCA 2554038 C
Classification (IPC)C08L67/00

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedFeb 2, 2005Patent grantedMay 28, 2013Term endedFeb 2, 2025

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.