US3762998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cultivation of lactobacillus bulgaricus to produce a ribonucleoproteid
Assignee: Texim EEE
•
Filing: 1970-07-06
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Granted: 1973-10-02
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Expires: 1990-07-06
Abstract
Abstract The process of manufacturing an active anticarcinogen ribonucleoproteid wherein ribonucleic acid is the bearer of the anticancer activity while the protein acts as its protector and activator, produced by cultivating a micro-organism of the Lactobacillus genus.
Inventors
- 👤 I Bogdanov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:10
CPC Classifications
C; C12; C12P; C12P19/00; C12P19/26; C12P19/28; C12P19/30; C12P19/34; A; A61; A61K; A61K31/00; A61K31/70; A61K35/00; A61K35/66; A61K35/74; A61K35/741; A61K35/744; A61K35/747; C12N; C12N1/00; C12N1/20; C12N1/205; C12P1/00; C12P1/04; C12R; C12R2001/00; C12R2001/01; C12R2001/225
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
29 words
A process as claimed in claim 1, wherein hydrochloric acid is added to the solution obtained in the extraction step until a pH-value between 1.5 to 4 is reached.
Claim 2
Dependent Claim
25 words
A process as claimed in claim 1 wherein said active material is precipitated from said extracts by the addition of at least one inorganic salt.
Claim 3
Dependent Claim
36 words
A process as claimed in claim 3, wherein said salt is selected from the group consisting of ammonium sulphate, sodium sulphate, barium chloride, calcium chloride, or magnesium sulphate and mixtures thereof in combination with hydrochloric acid.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |