Patent US4376130A successfully refreshed from Google Patents.
US4376130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ozonolysis of whole cardamon seeds
Assignee: Individual
•
Filing: 1981-04-29
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Granted: 1983-03-08
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Expires: 2001-04-29
Abstract
Abstract Whole cardamon seeds, either green or sun-dried, are subjected to ozonolysis to bleach the seed pods to an off-white color.
Inventors
- 👤 Alexander Astrack
- 👤 Charles G. Schoenfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:16
CPC Classifications
A; A23; A23L; A23L5/00; A23L5/40; A23L5/49; A23L27/00; A23L27/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A method of bleaching green or sun-dried whole cardamon seeds, which comprises; washing the seeds to remove surface coatings of gums and waxes; wetting the whole seeds with water containing a surfactant; contacting the wet seeds with an oxidizing agent consisting of ozone; and drying the seeds after contact with the ozone.
Claim 2
Independent Claim
52 words
A method of bleaching green or sun-dried whole cardamon seeds, which comprises; washing the seeds to remove surface coatings of gums and waxes; wetting the whole seeds with water containing a surfactant; contacting the wet seeds with an oxidizing agent consisting of ozone; and drying the seeds after contact with the ozone.
References Cited (Backward Citations)
GB190312046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-03-07 | 1986-09-06 | 1987-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-03-07 | 1990-09-06 | 1991-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-03-07 | 1994-09-06 | 1995-03-08 | $7700.00 | Window Closed / Lapsed |