US2877192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyurethane polymer containing a metallic dicyanamide
Assignee: Uniroyal Inc
•
Filing: 1956-11-26
•
Granted: 1959-03-10
•
Expires: 1976-11-26
Abstract
No abstract record available.
Inventors
- 👤 Burkus John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:52
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/28
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
66 words
A POLYESTER-POLYURETHANE POLYMER CONTAINING AT LEAST 0.1 PART BY WEIGHT, PER 100 PARTS OF SAID POLYMER, OF A METALLIC DICYANAMIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI AND ALKALINE EARTH METAL DICYANAMIDES, SAID POLYMER BEING A REACTION PRODUCT OF AN ORGANIC POLYISOCYANATE SELECTED FROM THE GROUP CONSISTING OF DIISOCYANATES AND TRIISOCYANATES WITH A POLYESTER WHICH IS A REACTION PRODUCT OF A GLYCOL AND A DISCABOXYLIC ACID.
Claim 2
Dependent Claim
66 words
A POLYESTER-POLYURETHANE POLYMER CONTAINING AT LEAST 0.1 PART BY WEIGHT, PER 100 PARTS OF SAID POLYMER, OF A METALLIC DICYANAMIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI AND ALKALINE EARTH METAL DICYANAMIDES, SAID POLYMER BEING A REACTION PRODUCT OF AN ORGANIC POLYISOCYANATE SELECTED FROM THE GROUP CONSISTING OF DIISOCYANATES AND TRIISOCYANATES WITH A POLYESTER WHICH IS A REACTION PRODUCT OF A GLYCOL AND A DISCABOXYLIC ACID.
Claim 3
Dependent Claim
7 words
A FOAMED RUBBERY POLYMER AS IN CLAIM.
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) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |