	US 12,404,481 B1
	Dissolvable cleaning products free of plastics and/or polyvinyl alcohol
Malcolm Bond Burbank, Pullman, WA (US); James Rodney Dickerson, Homer, LA (US); Darren Gross, Midland, MI (US); and Laura Hinojosa, Kitchener (CA)
Assigned to Tru Earth Environmental Products Inc., Port Moody (CA)
Filed by Tru Earth Environmental Products Inc., Port Moody (CA)
Filed on Feb. 11, 2025, as Appl. No. 19/050,545.
Claims priority of provisional application 63/706,869, filed on Oct. 14, 2024.
Claims priority of provisional application 63/561,075, filed on Mar. 4, 2024.
Int. Cl. C11D 11/00 (2006.01); C11D 1/26 (2006.01); C11D 1/28 (2006.01); C11D 3/20 (2006.01); C11D 3/22 (2006.01); C11D 3/50 (2006.01); C11D 17/06 (2006.01)

CPC C11D 17/06 (2013.01) [C11D 1/28 (2013.01); C11D 3/2065 (2013.01); C11D 3/2079 (2013.01); C11D 3/2082 (2013.01); C11D 3/225 (2013.01); C11D 3/50 (2013.01); C11D 11/00 (2013.01)]

11 Claims

1. A method of forming dissolvable cleaning products, the method comprising:

forming a first component solution in a first mixer by:

adding a first portion of water to the first mixer, the first portion of water having a first temperature,

adding water-soluble cellulose ethers to the first portion of water and mixing for a first mixing time to form a first mixture, and

adding a second portion of water to the first mixture and mixing for a second mixing time, the second portion of water having a second temperature;

forming a second component solution in a second mixer by:

adding a third portion of water to the second mixer, the third portion of water having a third temperature,

wherein one or more of the first temperature and the third temperature range from approximately 92° C. to approximately 95° C., and wherein the second temperature is less than or equal to approximately 4° C.,

adding a surfactant to the third portion of water and mixing for a third mixing time to form a second mixture, and

adding sodium citrate to the second mixture and mixing for a fourth mixing time;

allowing the first component solution to rest for a first holding period;

allowing the second component solution to rest for a second holding period;

forming a final solution in a third mixer by:

adding the second component solution to the third mixer,

adding glycerin to the third mixer and mixing for a fifth mixing time,

ceasing mixing after the fifth mixing time,

adding the first component solution to the third mixer after the fifth mixing time and mixing for a sixth mixing time, and

adding one or more of a preservative and a fragrance to the third mixer and mixing for a seventh mixing time;

transferring the final solution to a mold;

drying the final solution within the mold to form a dried final solution;

removing the dried final solution from the mold; and

cutting the dried final solution into one or more shapes.