US3108402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of carotenoid pigments
Assignee: Grain Processing Corp
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Filing: 1961-03-16
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Granted: 1963-10-29
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Expires: 1981-03-16
Abstract
No abstract record available.
Inventors
- 👤 Henry R Kathrein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:52
CPC Classifications
C; C12; C12P; C12P23/00; B; B62; B62D; B62D29/00; Y; Y10; Y10S; Y10S435/00; Y10S435/813; Y10S435/8215; Y10S435/946
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A PROCESS FOR THEPRODUCTION OF CAROTENOIDS WHICH COMPRISES CULIVATING, AT A TEMPERATURE OF FROM 10 TO 40% C. AND A PH OF FROM 5.4 TO 9 UNDER HETERTROPHIC CONDITIONS, A GREEN ALGA OF THE DIVISION CHLOROPHYTA AND OF THE GENUS SELECTED FROM THE GROUP CONSISTING OF CHLORELLA, CHLOROCOCCUM, SPONGIOCHLORIS, SPONGIOCOCCUM, AND COCCYMYXA IN AN AQUEOUS ORGANIC NUTRIENT MEDIUM COMPRISING A PROTEINACEOUS MATERIAL, FROM 0.05 TO 4 PERCENT UREA AND INITIALLY UP TO ABOUT 9 PERCENT BY WEIGHT (DRY BASIS) CARBOHYDRATE, SAID PROCESS BEING FURTHER CHARACTERIZED IN THE FURTHER ADDITION OF CARBOHYDRATE TO SAID NUTRIENT MEDIUM DURING THE CULTIVATION TO MAINTAIN THE CONCENTRATION THEREOF AT FROM ABOUT 0.5 TO ABOUT 6.0 PERCENT (DRY BASIS) AND WHEREIN THE AGGREGATE CARBOHYDRATE USED IN THE NUTRIENT DURING THE CULTIVATION IF FROM ABOUT 4 TO 30 PERCENT BY WEIGHT (DRY BASIS).
Claim 2
Dependent Claim
136 words
A PROCESS FOR THEPRODUCTION OF CAROTENOIDS WHICH COMPRISES CULIVATING, AT A TEMPERATURE OF FROM 10 TO 40% C. AND A PH OF FROM 5.4 TO 9 UNDER HETERTROPHIC CONDITIONS, A GREEN ALGA OF THE DIVISION CHLOROPHYTA AND OF THE GENUS SELECTED FROM THE GROUP CONSISTING OF CHLORELLA, CHLOROCOCCUM, SPONGIOCHLORIS, SPONGIOCOCCUM, AND COCCYMYXA IN AN AQUEOUS ORGANIC NUTRIENT MEDIUM COMPRISING A PROTEINACEOUS MATERIAL, FROM 0.05 TO 4 PERCENT UREA AND INITIALLY UP TO ABOUT 9 PERCENT BY WEIGHT (DRY BASIS) CARBOHYDRATE, SAID PROCESS BEING FURTHER CHARACTERIZED IN THE FURTHER ADDITION OF CARBOHYDRATE TO SAID NUTRIENT MEDIUM DURING THE CULTIVATION TO MAINTAIN THE CONCENTRATION THEREOF AT FROM ABOUT 0.5 TO ABOUT 6.0 PERCENT (DRY BASIS) AND WHEREIN THE AGGREGATE CARBOHYDRATE USED IN THE NUTRIENT DURING THE CULTIVATION IF FROM ABOUT 4 TO 30 PERCENT BY WEIGHT (DRY BASIS).
References Cited (Backward Citations)
US2658310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |