# US 8,784,788 B2 · Gel carrier for releasing active ingredients

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- Number: US 8,784,788 B2
- Document ID: US8784788B2
- Status: Granted
- Kind: B2
- Application number: 13/428,998
- Filed: 2012-03-23
- Published: 2012-10-04
- Granted: 2014-07-22
- Earliest claimed: 2011-03-29
- Assignees: Environmentally Sensitive Solutions, Inc.
- Applicants: Matthew E. Pliszka
- Inventors: Matthew E. Pliszka
- Web page: https://patentgrep.com/patent/US8784788B2

## CPC

- A61L 9/012: characterised by being in a special form, e.g. gels, emulsions {(A61L9/048 takes precedence)}
- A61L 11/00: Methods specially adapted for refuse {(disintegrating medical waste B02C19/0075; disposal of medical waste B09B3/00)}
- C02F 3/348: {characterised by the way or the form in which the microorganisms are added or dosed}
- C11D 3/2086: {Hydroxy carboxylic acids-salts thereof}
- C11D 3/3719: {Polyamides or polyimides}
- C11D 3/3749: {Polyolefins; Halogenated polyolefins; Natural or synthetic rubber; Polyarylolefins or halogenated polyarylolefins}
- C11D 3/381: {Microorganisms}
- C11D 3/40: Dyes {; Pigments}
- C11D 3/505: {encapsulated or adsorbed on a carrier, e.g. zeolite or clay}
- C11D 17/0026: {Structured liquid compositions, e.g. liquid crystalline phases or network containing non-Newtonian phase}
- C11D 17/003: {Colloidal solutions, e.g. gels; Thixotropic solutions or pastes}
- C11D 17/0047: {Detergents in the form of bars or tablets}
- C02F 1/688: {Devices in which the water progressively dissolves a solid compound}
- Y02W 10/37: using solar energy
- A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K)
- C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes)
- C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- Y02W: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT

## Abstract

A gel carrier for releasing active ingredients is formed from a co-polymer blend and an active ingredient blend. The co-polymer blend and active ingredient blend are combined and allowed to cool to a desired temperature. When the gel carrier floats in, is immersed, or is exposed to water-based materials, active ingredients are leached out of the gel carrier.

## Claims

### Claim 1

A gel carrier for releasing active ingredients into an aquaculture or pond environment comprising:
a co-polymer blend formed by heating and mixing a polyamide gel and a polar solvent; and
an active ingredient blend mixed with the co-polymer blend and formed into the gel carrier, the active ingredient blend comprising a mixture of water, surfactant, polar solvent, nitrifying bacteria, and bacillus bacteria;
wherein the gel carrier is effectively insoluable in water-based liquids and at least the nitrifying bacteria and bacillus bacteria are released out of the gel carrier when the gel carrier is introduced to water-based liquids.