US2646355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for brightening foodstuffs containing carbohydrates
Assignee: BASF Schweiz AG
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Filing: 1949-11-28
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Granted: 1953-07-21
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Expires: 1969-11-28
Abstract
No abstract record available.
Inventors
- 👤 Zweifel Hans-Heini
- 👤 Ackermann Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:02
CPC Classifications
A; A23; A23L; A23L5/00; A23L5/40; A23L5/42; A23L5/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A FOODSTUFF COMPOSITION OF ENHANCED WHITENESS WHICH CONSISTS ESSENTIALLY OF A CARBOHYDRATE SELECTED FROM THE GROUP CONSISTING OF WATER-SOLULE SACCHARIDES AND FLOURS AND 0.001 TO 0.5 PER CENT. BY WEIGHT OF AN ODORLESS SUBSTANCE WHICH IS FREE FROM GROUPS IMPARTING DYESTUFF CHARACTERISTICS TO THE COMPOUND AND WHEN DISSOLVED SHOWS A BLUE TO VIOLET FLUORESCENCE IN ULTRAVIOLET LIGHT, WHICH IS NON-TOXIC TO MAN WHEN APPLIED IN THE CONCENTRATIONS INDICATED ABOVE, AND WHICH IS SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE COUMARIN SERIES SUBSTITUTED IN THE 7-POSITION BY A BASIC AMINO GROUP, COMPOUNDS OF THE COURMARIN SERIES SUBSTITUTED IN THE 7-POSITION BY A HYDROXY GROUP, ESTERS OF DIHYDROCOLLIDINE DICOURMARIN SERIES SUBSTITUTED IN THE 7-POSITION BY A HYDROXY GROUP, ESTERS OF DIHYDROCOLLIDINE DICARBOXYLIC ACID, AND ALKALI METAL SALTS OF DIBENZOFURANE-3-HYDROXY-4-CARBOXYLIC ACID, SAID FOODSTUFF COMPOSITION APPEARING TO BE WHITER IN COLOR THAN THE CARBOXYHDRATE PER SE.
Claim 2
Dependent Claim
144 words
A FOODSTUFF COMPOSITION OF ENHANCED WHITENESS WHICH CONSISTS ESSENTIALLY OF A CARBOHYDRATE SELECTED FROM THE GROUP CONSISTING OF WATER-SOLULE SACCHARIDES AND FLOURS AND 0.001 TO 0.5 PER CENT. BY WEIGHT OF AN ODORLESS SUBSTANCE WHICH IS FREE FROM GROUPS IMPARTING DYESTUFF CHARACTERISTICS TO THE COMPOUND AND WHEN DISSOLVED SHOWS A BLUE TO VIOLET FLUORESCENCE IN ULTRAVIOLET LIGHT, WHICH IS NON-TOXIC TO MAN WHEN APPLIED IN THE CONCENTRATIONS INDICATED ABOVE, AND WHICH IS SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE COUMARIN SERIES SUBSTITUTED IN THE 7-POSITION BY A BASIC AMINO GROUP, COMPOUNDS OF THE COURMARIN SERIES SUBSTITUTED IN THE 7-POSITION BY A HYDROXY GROUP, ESTERS OF DIHYDROCOLLIDINE DICOURMARIN SERIES SUBSTITUTED IN THE 7-POSITION BY A HYDROXY GROUP, ESTERS OF DIHYDROCOLLIDINE DICARBOXYLIC ACID, AND ALKALI METAL SALTS OF DIBENZOFURANE-3-HYDROXY-4-CARBOXYLIC ACID, SAID FOODSTUFF COMPOSITION APPEARING TO BE WHITER IN COLOR THAN THE CARBOXYHDRATE PER SE.
References Cited (Backward Citations)
US576860A
Cited
US2146958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |