US2582191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amino salts of boric acid-aliphatic polyhydroxy carboxylic acid condensation product
Assignee: Individual
•
Filing: 1946-09-30
•
Granted: 1952-01-08
•
Expires: 1966-09-30
Abstract
No abstract record available.
Inventors
- 👤 Curtis David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:38
CPC Classifications
B; B01; B01J; B01J19/00; C; C07; C07F; C07F5/00; C07F5/02; C07F5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A SALT FORMED OF AN AMINO-AROMATIC BASE FROM THE GROUP CONSISTING OF ALKYL AND ALKAMINE ESTERS OF AN AMINO-AROMATIC ACID WITH AN ADDITION PRODUCT OF BORIC ACID WITH AN ALIPHATIC, MONO-BASIC, NON-SUBSTITUTED POLYHYDROXY CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF GLUCONIC ACID, GALACTONIC ACID, GLUCO-HEPTONIC ACID, GULONIC ACID, ARABONIC ACID, TALONIC ACID, RHAMNO-HEPTONIC ACID, RHAMNONIC ACID, MANNONIC ACID AND LEVULSO-CARBOXYLIC ACID; SAID POLYHYDROXY-CARBOXYLIC ACID BEING PRESENT IN THE ADDITION PRODUCT IN THE PROPORTION OF AT LEAST ONE MOLAR EQUIVALENT TO ONE OF BORIC ACID.
Claim 2
Dependent Claim
85 words
A SALT FORMED OF AN AMINO-AROMATIC BASE FROM THE GROUP CONSISTING OF ALKYL AND ALKAMINE ESTERS OF AN AMINO-AROMATIC ACID WITH AN ADDITION PRODUCT OF BORIC ACID WITH AN ALIPHATIC, MONO-BASIC, NON-SUBSTITUTED POLYHYDROXY CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF GLUCONIC ACID, GALACTONIC ACID, GLUCO-HEPTONIC ACID, GULONIC ACID, ARABONIC ACID, TALONIC ACID, RHAMNO-HEPTONIC ACID, RHAMNONIC ACID, MANNONIC ACID AND LEVULSO-CARBOXYLIC ACID; SAID POLYHYDROXY-CARBOXYLIC ACID BEING PRESENT IN THE ADDITION PRODUCT IN THE PROPORTION OF AT LEAST ONE MOLAR EQUIVALENT TO ONE OF BORIC ACID.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |