Method of producing phospholipid derivatives
CA 1283075 C · Owner: Kuroda, Akio · Inventors: Kuroda, Akio; Kudo, Satoshi; Sawada, Haruji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of producing a new phospholipid derivative having two phosphatidyl residues from a starting material phospholipid derivative by transphosphatidylation. In this method, a phospholipid derivative (I) represented by the formula, ... (I), is reacted with a chain polyhydric alcohol represented by the formula, ... (II), in the presence of a phospholipase D having a transphosphatidylation activity (EC 3.1.4.4) thereby, extracting a phospholipid derivative represented by the following formula from the reaction mixture ... (III), In the formulas, R1 and R2 represent acyl groups or alkyl groups, R3 represents an alkylene group (proviso hydrogen, atom may be substituted with a hydroxyl group …
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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 April 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 2008.
- 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.