US3188223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protein-polymeric dialdehyde compositions and process of coating a base therewith
Assignee: Individual
•
Filing: 1960-11-14
•
Granted: 1965-06-08
•
Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 Francis B Weakley
- 👤 Charles L Mehltretter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:56
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/50; C; C08; C08L; C08L89/00; C08L89/02; D21H19/10; D21H19/14; D21H19/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
77 words
A METHOD OF PREPARING A COPOLYMER OF A PROTEIN SELECTED FROM THE GROUP CONSISTING A CASEIN AND SOYBEAN PROTEIN AND A HIGLY POLYMERIC DIALDEHYDE COMPRISING REACTING A SAID PROTEIN IN AQUEOUS DISPERSION WITH 10 PERCENT TO 20 PERCENT OF ITS DRY WEIGHT OF THE HIGHLY POLYMERIC DIALDEHYDE HAVING BEEN FORMED BY ESSENTIALLY COMPLETE PERIODIC ACID OXIDATION OF STARCH TO THE EXTENT WHERE AT LEAST 90% OF THE ANHYDROGLUCOSE UNITS OF THE STARCH ARE IN THE DIALDEHYDE FORM.
Claim 2
Independent Claim
77 words
A METHOD OF PREPARING A COPOLYMER OF A PROTEIN SELECTED FROM THE GROUP CONSISTING A CASEIN AND SOYBEAN PROTEIN AND A HIGLY POLYMERIC DIALDEHYDE COMPRISING REACTING A SAID PROTEIN IN AQUEOUS DISPERSION WITH 10 PERCENT TO 20 PERCENT OF ITS DRY WEIGHT OF THE HIGHLY POLYMERIC DIALDEHYDE HAVING BEEN FORMED BY ESSENTIALLY COMPLETE PERIODIC ACID OXIDATION OF STARCH TO THE EXTENT WHERE AT LEAST 90% OF THE ANHYDROGLUCOSE UNITS OF THE STARCH ARE IN THE DIALDEHYDE FORM.
Claim 3
Dependent Claim
52 words
A COPOLYMER OF A PROTEIN SELECTED FROM THE GROUP CONSISTING OF CASEIN AND SOYBEAN PROTEIN AND A HIGHLY POLYMERIC DIALDEHYDE, SAID DIALDEHYDE HAVING BEEN PRODUCED BY ESSENTIALLY COMPLETE PERIODIC ACID OXIDATION OF STARCH TO THE EXTENT WHERE AT LEAST 90% OF THE ANHYDROGLUCOSE UNITS OF THE STARCH ARE IN THE DIALDEHYDE FORM.
Claim 4
Dependent Claim
52 words
A COPOLYMER OF A PROTEIN SELECTED FROM THE GROUP CONSISTING OF CASEIN AND SOYBEAN PROTEIN AND A HIGHLY POLYMERIC DIALDEHYDE, SAID DIALDEHYDE HAVING BEEN PRODUCED BY ESSENTIALLY COMPLETE PERIODIC ACID OXIDATION OF STARCH TO THE EXTENT WHERE AT LEAST 90% OF THE ANHYDROGLUCOSE UNITS OF THE STARCH ARE IN THE DIALDEHYDE FORM.
References Cited (Backward Citations)
US2606188A
Cited
US2885374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |