US2959522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing beta-carotene
Assignee: Grain Processing Corp
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Filing: 1959-01-12
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Granted: 1960-11-08
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Expires: 1979-01-12
Abstract
No abstract record available.
Inventors
- 👤 James E Zajic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:59
CPC Classifications
C; C12; C12P; C12P23/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A PROCESS FOR PREPARING BETA-CAROTENE WHICH INCLUDES THE STEP OF CULTIVATING A BETA-CAROTENE-PRODUCING STRAIN OF A MICROORGANISM OF THE CHOANEPHORA IN A NUTRIENT MEDIUM CONTAINING A TERPENOID SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF CEDARWOOD OIL, SPRUCEWOOD OIL, SANDALWOOD OIL, OIL ROSE OF GERANIUM, CEDARLEAF OIL, CAMPHOR, ALPHA-IRONE, CEDROL, CEDRENOL, CEDRYL ACETATE, CEDRENYL ACETATE AND CEDRONE.
Claim 2
Dependent Claim
56 words
A PROCESS FOR PREPARING BETA-CAROTENE WHICH INCLUDES THE STEP OF CULTIVATING A BETA-CAROTENE-PRODUCING STRAIN OF A MICROORGANISM OF THE CHOANEPHORA IN A NUTRIENT MEDIUM CONTAINING A TERPENOID SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF CEDARWOOD OIL, SPRUCEWOOD OIL, SANDALWOOD OIL, OIL ROSE OF GERANIUM, CEDARLEAF OIL, CAMPHOR, ALPHA-IRONE, CEDROL, CEDRENOL, CEDRYL ACETATE, CEDRENYL ACETATE AND CEDRONE.
References Cited (Backward Citations)
GB679087A
Cited
US2865814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |