Patent DE521682C successfully refreshed from Google Patents.
Patent US4188320A successfully refreshed from Google Patents.
US4188320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ester of higher fatty acid and reagent for determination of activity of lipase
Assignee: Chugai Pharmaceutical Co Ltd
•
Filing: 1978-09-20
•
Granted: 1980-02-12
•
Expires: 1998-09-20
Abstract
Abstract An ester of higher fatty acid of the formula: ##STR1## wherein R and M are as defined hereunder, and a reagent for determination of the activity of lipase which contains said ester are disclosed. Such reagent is useful to determine the activity of lipase.
Inventors
- 👤 Shinichi Kamachi
- 👤 Yosuke Ohkura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:26
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/34; C12Q1/44; C12Q2334/00
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
27 words
An ester of higher fatty acid of the formula: ##STR6## (wherein R is an alkyl group of 9 to 17 carbon atoms; M is an alkali metal).
Claim 2
Dependent Claim
27 words
An ester of higher fatty acid of the formula: ##STR6## (wherein R is an alkyl group of 9 to 17 carbon atoms; M is an alkali metal).
Claim 3
Dependent Claim
6 words
Sodium p-(4-lauroyloxy-1-naphthylazo)benzenesulfonate according to claim 1.
Claim 4
Dependent Claim
6 words
Sodium p-(4-myristoyloxy-1-naphthylazo)benzenesulfonate according to claim 1.
Claim 5
Dependent Claim
6 words
Sodium p-(4-palmitoyloxy-1-naphthylazo)benzenesulfonate according to claim 1.
Claim 6
Dependent Claim
6 words
Sodium p-(4-stearoyloxy-1-naphthylazo)benzenesulfonate according to claim 1.
Claim 7
Dependent Claim
6 words
Potassium p-(4-lauroyloxy-1-naphthylazo)benzenesulfonate according to claim 1.
Claim 8
Dependent Claim
6 words
Sodium m-(4-lauroyloxy-1-naphthylazo)benzenesulfonate according to claim 1.
Claim 9
Dependent Claim
6 words
Sodium m-(4-myristoyloxy-1-naphthylazo)benzenesulfonate according to claim 1.
Claim 10
Dependent Claim
6 words
Sodium m-(4-palmitoyloxy-1-naphthylazo)benzenesulfonate according to claim 1.
Claim 11
Dependent Claim
6 words
Sodium m-(4-stearoyloxy-1-naphthylazo)benzenesulfonate according to claim 1.
Claim 12
Dependent Claim
6 words
Sodium p-(4-capryloxy-1-naphthylazo)benzenesulfonate according to claim 1.
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) | 1983-02-11 | 1983-08-13 | 1984-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-02-11 | 1987-08-13 | 1988-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-02-11 | 1991-08-13 | 1992-02-12 | $7700.00 | Window Closed / Lapsed |