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Expired Canadian patentCanada

Sunscreen compositions

CA 1341147 C · Owner: Johnson & Johnson Consumer Products, Inc. · Inventors: Bhat, Gulgunji Ramachandra; Lindemann, Martin Karl Otto; Naik-Satam, Prakash

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

Novel sunscreen compositions containing titanium dioxide having a particle size less than 10 mµ are described as well as methods of protecting the skin from damaging ultraviolet radiation.

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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

  • Granted November 28, 2000. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 28, 2017.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 18, 1988
GrantedNovember 28, 2000
Term endedNovember 28, 2017
Patent numberCA 1341147 C
Classification (IPC)A61K9/12

Timeline

Timeline From CIPO dates

1989199219951998200120042007201020132016Application filedJuly 18, 1988Patent grantedNov 28, 2000Term endedNov 28, 2017

Sources & verification

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