Porous gels and uses thereof
AssigneeMoasis Inc
InventorsNaihong Li, Jen-chieh Wu
Life of this patent
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Abstract
Hydrogels having a porosity of at least about 5%, comprising a first polymeric material comprising a polymer derived from a monomer with a vinyl functionality, and a second polymeric material having a polyglycol other than polyethylene glycol are described. A method of forming a porous hydrogel, by mixing in a reaction vessel, a mixture comprising a monomer having a vinyl functionality, a crosslinker, an organic solvent, a first polymeric material comprising polyacrylic acid and a second polymeric material comprising a polyglycol other than polyethylene glycol, and mixing the mixture to form the hydrogel having a porosity of at least about 5%. Also described are an agricultural method and a system (a seed in a seed container).
Claims28
A hydrogel, comprising:
- a first polymeric material comprising a polymer derived from a monomer with a vinyl functionality, and
- a second polymeric material having a polyglycol other than polyethylene glycol,
- wherein the hydrogel has a porosity of at least 5%.
(canceled)
16-18. (canceled)
A method of forming a porous hydrogel, comprising:
- providing, in a reaction vessel, a mixture, the mixture comprising:
- a monomer having a vinyl functionality;
- a cross-linker;
- an organic solvent;
- a first polymeric material comprising polyacrylic acid;
- and
- a second polymeric material comprising a polyglycol other than polyethylene glycol;
- and
- mixing the mixture to form a hydrogel having a porosity of at least 5%.
(canceled)
27-36. (canceled)
A system, comprising:
- a seed container comprising a hydrogel with a porosity of at least 5%;
- and
- a seed in said seed container.
38-39. (canceled)
Dependencies are inferred from the claim text.