US3029164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of crease resistance in cellulosic fabrics with the aid of 1, 3-dimethylol-4, 5-bis(alkoxy)-2-imidazolidinones
Assignee: Sumitomo Chemical Co Ltd
•
Filing: 1960-03-08
•
Granted: 1962-04-10
•
Expires: 1980-03-08
Abstract
No abstract record available.
Inventors
- 👤 Seki Hideo
- 👤 Suzuki Mamoru
- 👤 Kawai Eiichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:57
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/04; C07D233/28; C07D233/30; C07D233/40; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2762; Y10T442/277
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A METHOD FOR PRODUCING PERMANENT CREASE-RESISTANCE IN CELLULOSIC TEXTILE FABRIC WITH COMPRISES IMPREGNATING THE FABRIC WITH AN AQUEOUS SOLUTION CONTAINING 1,3-DIMETHYLOL-4,5-BIS(ALKOXY)-2-IMIDAZOLIDINONE OF THE GENERAL FORMULA:
Claim 2
Independent Claim
25 words
A METHOD FOR PRODUCING PERMANENT CREASE-RESISTANCE IN CELLULOSIC TEXTILE FABRIC WITH COMPRISES IMPREGNATING THE FABRIC WITH AN AQUEOUS SOLUTION CONTAINING 1,3-DIMETHYLOL-4,5-BIS(ALKOXY)-2-IMIDAZOLIDINONE OF THE GENERAL FORMULA:
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) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |