US3082172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Defoaming rinse composition
Assignee: Ecolab Inc
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Filing: 1960-04-05
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Granted: 1963-03-19
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Expires: 1980-04-05
Abstract
No abstract record available.
Inventors
- 👤 Norman S Temple
- 👤 Arthur T Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:27
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0026; B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; C11D1/00; C11D1/66; C11D1/72; C11D1/721
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A RINSE ADDITIVE COMPOSITION USEFUL IN MACHINE DISHWASHING CONSISTING ESSENTIALLY OF A LOW-FOAMING, SYNTHETIC ORGANIC POLYETHENOXY NONIONIC SURFACE ACTIVE AGENT OTHERWISE USEFUL AS A MACHINE DISHWASHING RINSE ADDITIVE AT CONCENTRATIONS THROUGHOUT THE RANGE OF 50 TO 250 PARTS PER MILLION OF RINSE WATER AND A SMALL AMOUNT SUFFICIENT TO MAINTAIN WASH PRESSURE DURING THE SUCCEEDING WASH CYCLE OF A POLYOXYALKYLENE GLYCOL MIXTURE CONSISTING OF A PRODUCT WHICH STATISTICALLY REPRESENTED HAS A PLURALITY OF ALTERNATING HYDROPHOBIC AND HYDROPHILIC POLYOXYALKYLENE CHAINS, THE HYDROPHILIC CHAINS CONSISTING OF OXYETHYLENE RADICALS LINKED ONE TO THE OTHER AND THE HYDROPHOBIC CHAINS CONSISTING OF OXYPROPYLENE RADICALS LINKED ONE TO THE OTHER, SAID STATISTICALLY REPRESENTED PRODUCT HAVING FIVE SUCH CHAINS COMPRISING THREE HYDROPHOBIC CHAINS LINKED BY TWO HYDROPHILIC CHAINS, THE CENTRAL HYDROPHOBIC CHAIN CONSTITUTING 30% TO 43% BY WEIGHT OF THE PRODUCT, THE TERMINAL HYDROPHOBIC CHAINS TOGETHER CONSTITUTING 31% TO 35% BY WEIGHT OF THE PRODUCT, THE LINKING HYDROPHILIC CHAINS TOGETHER CONSTITUTING 31% TO 35% BY WEIGHT OF THE PRODUCT, THE INTRINSIC VISCOSITY OF THE PRODUCT BEING FROM ABOUT 0.06 TO 0.09 AND THE MOLECULAR WEIGHT OF THE PRODUCT BEING FROM ABOUT 3000 TO 5000.
Claim 2
Dependent Claim
187 words
A RINSE ADDITIVE COMPOSITION USEFUL IN MACHINE DISHWASHING CONSISTING ESSENTIALLY OF A LOW-FOAMING, SYNTHETIC ORGANIC POLYETHENOXY NONIONIC SURFACE ACTIVE AGENT OTHERWISE USEFUL AS A MACHINE DISHWASHING RINSE ADDITIVE AT CONCENTRATIONS THROUGHOUT THE RANGE OF 50 TO 250 PARTS PER MILLION OF RINSE WATER AND A SMALL AMOUNT SUFFICIENT TO MAINTAIN WASH PRESSURE DURING THE SUCCEEDING WASH CYCLE OF A POLYOXYALKYLENE GLYCOL MIXTURE CONSISTING OF A PRODUCT WHICH STATISTICALLY REPRESENTED HAS A PLURALITY OF ALTERNATING HYDROPHOBIC AND HYDROPHILIC POLYOXYALKYLENE CHAINS, THE HYDROPHILIC CHAINS CONSISTING OF OXYETHYLENE RADICALS LINKED ONE TO THE OTHER AND THE HYDROPHOBIC CHAINS CONSISTING OF OXYPROPYLENE RADICALS LINKED ONE TO THE OTHER, SAID STATISTICALLY REPRESENTED PRODUCT HAVING FIVE SUCH CHAINS COMPRISING THREE HYDROPHOBIC CHAINS LINKED BY TWO HYDROPHILIC CHAINS, THE CENTRAL HYDROPHOBIC CHAIN CONSTITUTING 30% TO 43% BY WEIGHT OF THE PRODUCT, THE TERMINAL HYDROPHOBIC CHAINS TOGETHER CONSTITUTING 31% TO 35% BY WEIGHT OF THE PRODUCT, THE LINKING HYDROPHILIC CHAINS TOGETHER CONSTITUTING 31% TO 35% BY WEIGHT OF THE PRODUCT, THE INTRINSIC VISCOSITY OF THE PRODUCT BEING FROM ABOUT 0.06 TO 0.09 AND THE MOLECULAR WEIGHT OF THE PRODUCT BEING FROM ABOUT 3000 TO 5000.
References Cited (Backward Citations)
US2856434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |