US2763618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Whitening and brightening wash and rinse powder composition
Assignee: Pro-Nyl Chemicals Inc
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Filing: 1955-09-07
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Granted: 1956-09-18
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Expires: 1975-09-07
Abstract
No abstract record available.
Inventors
- 👤 Palmer G Hendrix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:22
CPC Classifications
C; C09; C09B; C09B63/00; C11; C11D; C11D3/00; C11D3/40; C11D3/42; D; D06; D06L; D06L4/00; D06L4/60; D06L4/664
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
110 words
A POWDERED WHITENING AND BRIGHTENING RINSE COMPOSITION FOR SYNTHETIC TEXTILE GOODS COMPRISING A CRYSTALS OF ANHYDROUS SODIUM SULFATE CARRYING A FROM-SOLUTION-DEPOSITED FILM OF AN ORGANIC OPTICAL BRIGHTENER, A MINERAL ACID OF 32% TO 94% STRENGTH, AND AN ORGANIC SOLVENT FOR THE BRIGHTENER FROM THE GROUP CONSISTING OF LOWER ALIPHATIC ALCOHOLS AND LOWER ALKYL KETONES AND ESTERS, SAID SODIUM SULFATE BEING INSOLUBLE IN SAID SOLVENT, SAID BRIGHTENER BEING SELECTED FROM THE GROUP CONSISTING OF P. DIETHYL AMINO COUAMIN AND P. DIMETHYL AMINO-B-METHYL COUMARIN AND SAID INGREDIENTS BEING PRESENT IN THE FOLLOWING PROPORTIONS SUFFICIENT TO TOTAL 100%: SODIUM SULFATE 65% TO 99.15%, BRIGHTENER-0.5% TO 20%, ACID-0.1% TO 10%, AND SOLVENT-0.25% TO 5%.
Claim 2
Dependent Claim
110 words
A POWDERED WHITENING AND BRIGHTENING RINSE COMPOSITION FOR SYNTHETIC TEXTILE GOODS COMPRISING A CRYSTALS OF ANHYDROUS SODIUM SULFATE CARRYING A FROM-SOLUTION-DEPOSITED FILM OF AN ORGANIC OPTICAL BRIGHTENER, A MINERAL ACID OF 32% TO 94% STRENGTH, AND AN ORGANIC SOLVENT FOR THE BRIGHTENER FROM THE GROUP CONSISTING OF LOWER ALIPHATIC ALCOHOLS AND LOWER ALKYL KETONES AND ESTERS, SAID SODIUM SULFATE BEING INSOLUBLE IN SAID SOLVENT, SAID BRIGHTENER BEING SELECTED FROM THE GROUP CONSISTING OF P. DIETHYL AMINO COUAMIN AND P. DIMETHYL AMINO-B-METHYL COUMARIN AND SAID INGREDIENTS BEING PRESENT IN THE FOLLOWING PROPORTIONS SUFFICIENT TO TOTAL 100%: SODIUM SULFATE 65% TO 99.15%, BRIGHTENER-0.5% TO 20%, ACID-0.1% TO 10%, AND SOLVENT-0.25% TO 5%.
Claim 3
Dependent Claim
117 words
A POWDERED COMPOSITE DETERGENT AND WHITENING AND BRIGHTENING COMPOSITION FOR SYNTHETIC TEXTILE GOODS COMPRISING A SOILID DETERGENT ADMIXED WITH A WATER-SOLUBLE INORGANIC SALT WHOSE CRYSTALS CARRY A FROM-SOLUTION-DEPOSITED FILM OF AN ORGANIC OPTICAL BRIGHTENER, A MINERAL ACID OF 32% TO 94% STRENGTH AND AN ORGANIC SOLVENT FOR THE BEIGHTENER FROM THE GROUP CONSISTING OF LOWER ALIPHATIC ALCOHOLS AND LOWER ALKYL KETONES AND ESTERS, SAID SALT BEING INSOLUBLE IN SAID SOLVENT, SAID BRIGHTENER BEING SELECTED FROM THE GROUP CONSISTING OF P. DIETHYL AMINO COUMARIN AND P. DIMETHYL AMINO-B-METHYL COUMARIN AND SAID INGREDIENTS BEING PRESENT IN THE FOLLOWING PROPORTIONS SUFFICIENT TO TOTAL 100%: DETERGENT-1% TO 98%, SALT-1% TO 98%, BRIGHTENER-0.1% TO 6%, ACID-0.1% TO 10% AND SOLVENT-0.25% TO 5%.
Claim 4
Dependent Claim
117 words
A POWDERED COMPOSITE DETERGENT AND WHITENING AND BRIGHTENING COMPOSITION FOR SYNTHETIC TEXTILE GOODS COMPRISING A SOILID DETERGENT ADMIXED WITH A WATER-SOLUBLE INORGANIC SALT WHOSE CRYSTALS CARRY A FROM-SOLUTION-DEPOSITED FILM OF AN ORGANIC OPTICAL BRIGHTENER, A MINERAL ACID OF 32% TO 94% STRENGTH AND AN ORGANIC SOLVENT FOR THE BEIGHTENER FROM THE GROUP CONSISTING OF LOWER ALIPHATIC ALCOHOLS AND LOWER ALKYL KETONES AND ESTERS, SAID SALT BEING INSOLUBLE IN SAID SOLVENT, SAID BRIGHTENER BEING SELECTED FROM THE GROUP CONSISTING OF P. DIETHYL AMINO COUMARIN AND P. DIMETHYL AMINO-B-METHYL COUMARIN AND SAID INGREDIENTS BEING PRESENT IN THE FOLLOWING PROPORTIONS SUFFICIENT TO TOTAL 100%: DETERGENT-1% TO 98%, SALT-1% TO 98%, BRIGHTENER-0.1% TO 6%, ACID-0.1% TO 10% AND SOLVENT-0.25% TO 5%.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |