US4440855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing L-glucosone
Assignee: Nabisco Brands Inc
•
Filing: 1982-06-30
•
Granted: 1984-04-03
•
Expires: 2002-06-30
Abstract
Abstract Process for preparing L-glucosone from L-glucose by contacting L-glucose with glucose-2-oxidase derived from a microorganism selected from the group consisting of the genera Polyporus, Aspergillus, Oudemansiella, Radulum, Lenzites, Irpex, Pellicularia, Armillaria, Schizophyllum, and Corticium.
Inventors
- 👤 Robert O. Horwath
- 👤 William J. Colonna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:28
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/0004; C12N9/0006; C12P; C12P19/00; C12P19/02; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/913; Y10S435/918
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
35 words
A process for oxidizing L-glucose to L-glucosone which comprises contacting L-glucuose with glucose-2-oxidase produced by a microorganism selected from the group consisting of genera Polyporus, Aspergillus, Oudemansiella, Radulum, Lenzites, Irpex, Pellicularia, Armillaria, Schizophyllum and Corticium.
Claim 2
Dependent Claim
35 words
A process for oxidizing L-glucose to L-glucosone which comprises contacting L-glucuose with glucose-2-oxidase produced by a microorganism selected from the group consisting of genera Polyporus, Aspergillus, Oudemansiella, Radulum, Lenzites, Irpex, Pellicularia, Armillaria, Schizophyllum and Corticium.
Claim 3
Dependent Claim
33 words
A process according to claim 1, wherein the microorganism is Polyporus obtusus, Aspergillus oryzae, Oudemansiella mucida, Radulum casearium, Lenzites trabea, Irpex flavus, Polyporus versicolor, Pellicularia filamentosa, Armillaria mellea, Schizophyllum commune, and Corticium caeruleum.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-04-03 | 1987-10-03 | 1988-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-03 | 1991-10-03 | 1992-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-03 | 1995-10-03 | 1996-04-03 | $7700.00 | Window Closed / Lapsed |