US3203825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrogen-containing silicon polymer, method of coating therewith and coated product
Assignee: Ansul Co
•
Filing: 1960-03-24
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Granted: 1965-08-31
•
Expires: 1980-03-24
Abstract
No abstract record available.
Inventors
- 👤 George D Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:11
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/48; C08G77/54; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A NITROGEN-CONTAINING SILICONE POLYMER CONSISTING ESSENTIALLY OF THE PRODUCT OF THE REACTION BETWEEN A PARTIALLY HYDDROLYZED METHYL HYDROGEN POLYSILOXANE HAVING BETWEEN ABOUT 0.9 AND ABOUT 1.1 HYDRGEN ATOMS PER SILICON ATOM AND ALIPHATIC AMINE HAVING AT LEAST 2 TERMINAL PRIMARY AMINE GROUPS.
Claim 2
Dependent Claim
42 words
A NITROGEN-CONTAINING SILICONE POLYMER CONSISTING ESSENTIALLY OF THE PRODUCT OF THE REACTION BETWEEN A PARTIALLY HYDDROLYZED METHYL HYDROGEN POLYSILOXANE HAVING BETWEEN ABOUT 0.9 AND ABOUT 1.1 HYDRGEN ATOMS PER SILICON ATOM AND ALIPHATIC AMINE HAVING AT LEAST 2 TERMINAL PRIMARY AMINE GROUPS.
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |