Patent US2597019A successfully refreshed from Google Patents.
US2597019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nutrient adjunct for the preparation of streptomycin
Assignee: Primary Products Ingredients Americas LLC
•
Filing: 1947-07-01
•
Granted: 1952-05-20
•
Expires: 1967-07-01
Abstract
No abstract record available.
Inventors
- 👤 Wendell W Moyer
- 👤 William F Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:47
CPC Classifications
C; C12; C12P; C12P19/00; C12P19/44; C12P19/46; C12P19/54; C12N; C12N1/00; C12N1/20; C12N1/38; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886; Y10S435/897
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A NUTRIENT COMPOSITION FOR THE GROWTH OF STREPTOMYCIN-PRODUCING MICROORGANISMS, WHICH CONSISTS ESSENTIALLY OF SOYBEAN MEAL AND, AS A GROWTH-PROMOTING AND STREPTOMYCIN-PRODUCTION STIMULATING FACTOR, A MIXTURE OF MONO-AMINO, MONO-CARBOXYLIC AMINO ACIDS OBTAINED FROM A NEUTRALIZED AND CONCENTRATED PROTEIN HYDROLYZATE SELECTED FROM THE GROUP CONSISTING OF CORN, WHEAT AND SOYBEAN PROTEIN HYDROLYZATES, SAID SOYBEAN MEAL BEING PRESENT IN THE RATIO OF 2 TO 50 PARTS BY WEIGHT, BASED ON THE PROTEIN CONTENT THEREOF, TO 1 PART BY WEIGHT OF SAID AMINO ACIDS.
Claim 2
Dependent Claim
80 words
A NUTRIENT COMPOSITION FOR THE GROWTH OF STREPTOMYCIN-PRODUCING MICROORGANISMS, WHICH CONSISTS ESSENTIALLY OF SOYBEAN MEAL AND, AS A GROWTH-PROMOTING AND STREPTOMYCIN-PRODUCTION STIMULATING FACTOR, A MIXTURE OF MONO-AMINO, MONO-CARBOXYLIC AMINO ACIDS OBTAINED FROM A NEUTRALIZED AND CONCENTRATED PROTEIN HYDROLYZATE SELECTED FROM THE GROUP CONSISTING OF CORN, WHEAT AND SOYBEAN PROTEIN HYDROLYZATES, SAID SOYBEAN MEAL BEING PRESENT IN THE RATIO OF 2 TO 50 PARTS BY WEIGHT, BASED ON THE PROTEIN CONTENT THEREOF, TO 1 PART BY WEIGHT OF SAID AMINO ACIDS.
References Cited (Backward Citations)
US1015891A
Cited
US2051017A
Cited
US2285708A
Cited
US2364008A
Cited
US2422230A
Cited
US2437918A
Cited
US2461922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |