US3268555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processes which comprise reacting proline or pyrrolidine with an oxo group containing compound and products thereof
Assignee: Research Corp
•
Filing: 1962-10-10
•
Granted: 1966-08-23
•
Expires: 1982-10-10
Abstract
No abstract record available.
Inventors
- 👤 Wiseblatt Lazare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:03
CPC Classifications
A; A23; A23L; A23L27/00; A23L27/20; A23L27/21; A23L27/215
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A METHOD OF MAKING BREADSTUFF FLAVORING COMPOSITIONS WHICH CONSISTS OF HEATING, AT A PH BETWEEN 4.0-8.5, PROLINE WITH 1,3-DIHYDROXYACETONE, GLYCERALDEHYDE, ACETYLMETHYLCARBINOL, 1-HYDROXY-2-PROPANONE OR 1-HYDROXY2-PROPANONE ACETATE.
Claim 2
Independent Claim
25 words
A METHOD OF MAKING BREADSTUFF FLAVORING COMPOSITIONS WHICH CONSISTS OF HEATING, AT A PH BETWEEN 4.0-8.5, PROLINE WITH 1,3-DIHYDROXYACETONE, GLYCERALDEHYDE, ACETYLMETHYLCARBINOL, 1-HYDROXY-2-PROPANONE OR 1-HYDROXY2-PROPANONE ACETATE.
References Cited (Backward Citations)
US2836602A
Cited
US1915334A
Cited
US2075359A
Cited
US2103495A
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US2934436A
Cited
GB858660A
Cited
US2964535A
Cited
US3060031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |