Patent US3629073A successfully refreshed from Google Patents.
US3629073A
Expired / Lapsed
US
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Acid-active lactose
Assignee: Baxter International Inc
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Filing: 1969-04-01
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Granted: 1971-12-21
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Expires: 1989-04-01
Abstract
Abstract An acid-active, acid-stable lactose enzyme preparation derived from the growth of a culture of Aspergillus niger and suitable for the hydrolysis of lactose in acid media.
Inventors
- 👤 Theodore Cayle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:45
CPC Classifications
C; C12; C12Y; C12Y302/00; C12Y302/01; C12Y302/01023; C12N; C12N9/00; C12N9/14; C12N9/78; C12N9/86; C12N9/24; C12N9/2402; C12N9/2468; C12N9/2471; C12Y305/00; C12Y305/02; C12Y305/02006; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/913; Y10S435/917
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
13 words
The lactase enzyme preparation of claim 1 in combination with an edible carrier.
References Cited (Backward Citations)
US2809113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |