US3243356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-insoluble copolymer of acylase with an amino acid anhydride
Assignee: Ajinomoto Co Inc
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Filing: 1963-11-06
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Granted: 1966-03-29
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Expires: 1983-11-06
Abstract
No abstract record available.
Inventors
- 👤 Kirimura Jiro
- 👤 Yoshida Toichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:16
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/08; C08G69/10; C12; C12N; C12N11/00; C12N11/02; C12N11/08; C12N11/089; C12N11/096; C12P; C12P13/00; C12P13/04; C12P41/00; C12P41/006; C12P41/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A WATER-INSOLUBLE COPOLYMER OF ACYLASE WITH AN NCARBOXY ANHYDRIDE OF AN OPTICALLY ACTIVE ALPHA-AMINO ACID SELECTED FROM THE GROUP CONSISTING OF GLYCINE, ALANINE, ALPHA-AMINO-N-BUTYRIC ACID, VALINE, LEUCINE, ISOLEUCINE, PHENYLALANINE, THE BETA-MONOESTERS OF ASPARTIC ACID, AND THE GAMMA-MONOESTERS OF GLUTAMIC ACID.
Claim 2
Dependent Claim
40 words
A WATER-INSOLUBLE COPOLYMER OF ACYLASE WITH AN NCARBOXY ANHYDRIDE OF AN OPTICALLY ACTIVE ALPHA-AMINO ACID SELECTED FROM THE GROUP CONSISTING OF GLYCINE, ALANINE, ALPHA-AMINO-N-BUTYRIC ACID, VALINE, LEUCINE, ISOLEUCINE, PHENYLALANINE, THE BETA-MONOESTERS OF ASPARTIC ACID, AND THE GAMMA-MONOESTERS OF GLUTAMIC 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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |