US3259550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of neuraminidase
Assignee: National Research Development Corp UK
•
Filing: 1963-12-17
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Granted: 1966-07-05
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Expires: 1983-12-17
Abstract
No abstract record available.
Inventors
- 👤 Stacey Maurice
- 👤 Barker Sydney Alan
- 👤 Pardoe Grace Irene
- 👤 Hopton Jack Welsby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:59
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/24; C12N9/2402; C12Y; C12Y302/00; C12Y302/01; C12Y302/01018; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/832; Y10S435/852
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PROCESS FOR THE PREPARATION OF A NUTRAMINDASE WHICH COMPRISED CULTIVATIING A NON-PATHOGENIC AEROBIC ORGANISM SELECTED FROM THE GROUP CONSISTING OF KIEBSIELLA AEROGENES (STRAIN ATCC NO. 15328), BACILLUS PALUSTRIS (STRAIN ATCC NO. 25327), AND RHODOPSEUDOMONAS PALUSTRIS (STRAIN ATCC NO. 11168), IIN A GROWTH MEDIUM THEREFOR AND IN THE PRESENCE OF A NEURAMINIDASE-INDUCING SUBSTANCE CONTAINING A BOUND NEURAMINIC ACID DERIVATIVE IN THE FORM OF A NON-REDUCING END GROUP.
Claim 2
Dependent Claim
67 words
A PROCESS FOR THE PREPARATION OF A NUTRAMINDASE WHICH COMPRISED CULTIVATIING A NON-PATHOGENIC AEROBIC ORGANISM SELECTED FROM THE GROUP CONSISTING OF KIEBSIELLA AEROGENES (STRAIN ATCC NO. 15328), BACILLUS PALUSTRIS (STRAIN ATCC NO. 25327), AND RHODOPSEUDOMONAS PALUSTRIS (STRAIN ATCC NO. 11168), IIN A GROWTH MEDIUM THEREFOR AND IN THE PRESENCE OF A NEURAMINIDASE-INDUCING SUBSTANCE CONTAINING A BOUND NEURAMINIC ACID DERIVATIVE IN THE FORM OF A NON-REDUCING END GROUP.
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |