Plants with modified stamen cells
CA 1340324 C · Owner: De Greef, Willy · Inventors: Mariani, Celestina; De Greef, Willy; Leemans, Jan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a male-sterile plant and to its reproduction material (e.g. seeds) in which the cells, are transformed so that a foreign DNA sequence is stably integrated into their nuclear genome. The foreign DNA sequence of this invention contains at least one first foreign DNA (hereinafter the "male-sterility DNA") that: 1) encodes a first RNA or protein or polypeptide which when, produced or overproduced in a stamen cell of the plant disturbs significantly the metabolism, functioning and/or development of the stamen cell; and 2) is in the same transcriptional unit as, and under the control of a first, promoter which is capable of directing expression of the male-sterility DNA …
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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 January 19, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 19, 2016.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.