US4409136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molecular sieve zeolite-built detergent paste
Assignee: Colgate Palmolive Co
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Filing: 1982-04-23
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Granted: 1983-10-11
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Expires: 2002-04-23
Abstract
Abstract A stable homogeneous paste detergent is provided comprising about 24% of a synthetic nonionic detergent, about 8% of sodium silicate, about 24% of a type A zeolite, about 0.2% of sodium carboxymethyl cellulose, about 34.7% of deionized water and about 9.1% of a synthetic anionic detergent.
Inventors
- 👤 Bao-Ding Cheng
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:23
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/12; C11D3/124; C11D3/1246; C11D3/128; C11D3/1286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A stable, homogeneous paste detergent comprising: (a) about 24% of a synthetic nonionic detergent formed by the condensation of a linear C 12 -C 15 primary alcohol with about 7 ethylene oxide residues; (b) about 8% of sodium silicate having an Na 2 O:SiO 2 ratio of about 1:2.35; (c) about 24% by weight based on the anhydrous weight of a type A zeolite having a moisture content of about 21% and an average particle diameter of 6.4 microns; (d) about 0.2% of sodium carboxymethyl cellulose; (e) about 34.7% of deionized water; and (f) about 9.1% of linear sodium dodecyl benzene sulfonate.
Claim 2
Dependent Claim
102 words
A stable, homogeneous paste detergent comprising: (a) about 24% of a synthetic nonionic detergent formed by the condensation of a linear C 12 -C 15 primary alcohol with about 7 ethylene oxide residues; (b) about 8% of sodium silicate having an Na 2 O:SiO 2 ratio of about 1:2.35; (c) about 24% by weight based on the anhydrous weight of a type A zeolite having a moisture content of about 21% and an average particle diameter of 6.4 microns; (d) about 0.2% of sodium carboxymethyl cellulose; (e) about 34.7% of deionized water; and (f) about 9.1% of linear sodium dodecyl benzene sulfonate.
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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) | 1986-10-10 | 1987-04-11 | 1987-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-10 | 1991-04-11 | 1991-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-10 | 1995-04-11 | 1995-10-11 | $7700.00 | Window Closed / Lapsed |