Patent US4440661A successfully refreshed from Google Patents.
US4440661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powdered cleaning composition
Assignee: Yuho Chemicals Inc
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Filing: 1982-09-27
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Granted: 1984-04-03
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Expires: 2002-09-27
Abstract
Abstract A powdered cleaning composition comprising a carrier comprised of an organic fiber having a length of from 110 to 1000 microns and an amino-aldehyde resin, and adsorbed in said carrier at least one surfactant and water, is disclosed.
Inventors
- 👤 Shoji Takeuchi
- 👤 Kozaburo Nishiyama
- 👤 Tadashi Gomi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:55
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/22; C11D3/222; C11D17/00; C11D17/04; C11D17/041; C11D3/0005; C11D3/0031; C11D3/37; C11D3/3703
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
98 words
A powdered cleaning composition for cleaning in the dry state comprising: a carrier comprised of 20 to 50 wt. % based on the carrier of an organic fiber having a length of from 110 to 1000 microns and 50 to 80 wt. % based on the carrier of an amino aldehyde resin; and adsorbed in said carrier at least one surfactant and water wherein said surfactant is present in an amount of 0.01 to 40 wt. % based on the carrier and said water is present in amount of 20 to 250 wt. % based on the carrier.
Claim 2
Dependent Claim
98 words
A powdered cleaning composition for cleaning in the dry state comprising: a carrier comprised of 20 to 50 wt. % based on the carrier of an organic fiber having a length of from 110 to 1000 microns and 50 to 80 wt. % based on the carrier of an amino aldehyde resin; and adsorbed in said carrier at least one surfactant and water wherein said surfactant is present in an amount of 0.01 to 40 wt. % based on the carrier and said water is present in amount of 20 to 250 wt. % based on the carrier.
Claim 3
Dependent Claim
34 words
The powdered cleaning composition according to claim 1, further comprising, adsorbed in said carrier, at least one member selected from the group consisting of builder, organic solvent, fluorescent dye, enzyme, bleaching agent and germicide.
Claim 4
Dependent Claim
42 words
The powdered cleaning composition according to claim 1, wherein said surfactant is present in an amount of 0.1 to 10 wt% based on the carrier and said water is present in an amount of 50 to 100 wt% based on the carrier.
Claim 5
Dependent Claim
21 words
The powdered cleaning composition according to claim 1, wherein said organic fiber has a length of from 110 to 500 microns.
Claim 6
Dependent Claim
21 words
The powdered cleaning composition according to claim 1, wherein said organic fiber has a length of from 220 to 700 microns.
Claim 7
Dependent Claim
21 words
The powdered cleaning composition according to claim 1, wherein said organic fiber has a length of from 300 to 1000 microns.
Claim 8
Dependent Claim
27 words
The powdered cleaning composition according to claim 1, wherein said organic fiber is selected from the group consisting of polyvinyl alcohol, polyamide, acrylic resin, cellulose and rayon.
Claim 9
Dependent Claim
37 words
The powdered cleaning composition according to claim 1, wherein said amino-aldehyde resin is prepared from at least one amine selected from the group consisting of urea, melamine, dicyandiamide, ethylene urea, thiourea, benzoguanamine, guanidine, polyethylenepolyamine and m-phenylene diamine.
Claim 10
Dependent Claim
28 words
The powdered cleaning composition according to claim 8, wherein said amino-aldehyde resin is prepared from an amine selected from the group consisting of guanidine, polyethylenepolyamine and m-phenylene diamine.
Claim 11
Dependent Claim
30 words
The powdered cleaning composition according to claim 1, wherein said amino-aldehyde resin is prepared from at least one aldehyde selected from the group consisting of formaldehyde, acetaldehyde, glyoxal and furfural.
Claim 12
Dependent Claim
19 words
The powdered cleaning composition according to claim 1, wherein said amino-aldehyde resin is prepared from urea, melamine and formaldehyde.
Claim 13
Dependent Claim
28 words
The powdered cleaning composition according to claim 1, wherein said amino-aldehyde resin has been reacted with sodium bisulfite, sodium secondary phosphite, phenol-sulfonic acid, naphthalenesulfonic acid or sulfonic acid.
Claim 14
Dependent Claim
27 words
The powdered cleaning composition according to claim 1, wherein said carrier has an apparent specific gravity of 0.2-0.5 g/cc and a maximum water content of 100-300 wt%.
Claim 15
Dependent Claim
17 words
The powdered cleaning composition according to claim 1, wherein said surfactant is anionic, cationic, nonionic or amphoteric.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-04-03 | 1987-10-03 | 1988-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-03 | 1991-10-03 | 1992-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-03 | 1995-10-03 | 1996-04-03 | $7700.00 | Window Closed / Lapsed |