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Crosslinked Polysaccharide Beads and Their Biomedical Uses
US2016279064A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016279064-A1 |
| Application number | US-201615172554-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jun 3, 2016 |
| Priority date | Aug 31, 2010 |
| Publication date | Sep 29, 2016 |
| Grant date | — |
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- Title
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Abstract
Official abstract text for this publication.
The present inventions relates to beads as biocompatible material adapted for use within the human or animal body. Said beads are highly useful for tissue engineering, in situ tissue regeneration, as well as for drug and/or cells delivery. In addition, said beads may support biotechnological applications such as cell carriers.
First claim
Opening claim text (preview).
1 - 9 . (canceled) 10 . A bead obtained by a) preparing an alkaline aqueous solution comprising at least one polysaccharide and a cross linking agent; b) dispersing said alkaline aqueous solution into an hydrophobic phase in order to obtain a water-in-oil (w/o) emulsion; and c) transforming the w/o emulsion into beads by placing said w/o emulsion at a temperature from about 4° C. to about 80° C. for a sufficient time to allow the cross-linking of said at least one polysaccharide; wherein, said polysaccharide is selected from the group consisting of dextran, pullulan, agar, alginic acid, starch hyaluronic acid, inulin, heparin, fucoidan, chitosan and mixtures thereof. 11 . The bead according to claim 10 , wherein said bead has a size of from 5 nm to 5 mm. 12 - 17 . (canceled)
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Classifications
Antineoplastic agents · CPC title
for reconstruction of the heart, e.g. heart valves · CPC title
Particulate matter [e.g., sphere, flake, etc.] · CPC title
- A61K9/1652Primary
Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin (homeopathic globules A61K9/1623) · CPC title
Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner (non-active ingredients are additionally classified in A61K47/00) · CPC title
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Frequently asked questions
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- What does patent US2016279064A1 cover?
- The present inventions relates to beads as biocompatible material adapted for use within the human or animal body. Said beads are highly useful for tissue engineering, in situ tissue regeneration, as well as for drug and/or cells delivery. In addition, said beads may support biotechnological applications such as cell carriers.
- Who is the assignee on this patent?
- Inserm (Institut Nat De La Sante Et De La Rech Medicale), Univ Paris Diderot - Paris 7
- What technology area does this patent fall under?
- Primary CPC classification A61K9/1652. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Thu Sep 29 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).