US3290266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions containing elemental sulphur
Assignee: Research Corp
•
Filing: 1963-04-15
•
Granted: 1966-12-06
•
Expires: 1983-04-15
Abstract
No abstract record available.
Inventors
- 👤 Marion D Barnes
- 👤 Arthur V Tobolsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:51
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/02; C01B17/0243; C08; C08K; C08K3/00; C08K3/02; C08K3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A COMPOSITION CONSISTING ESSENTIALLY OF SULPHUR MODIFIED WITH FROM ABOUT 5 TO ABOUT 20% BY WEIGHT OF A POLYMER, BASED ON THE WEIGHT OF THE SULPHUR, SAID POLYMER BEING SELECTED FROM THE GROUP CONSISTING OF POLYMERS AND COPOLYMERS OF OLEFINS, LOWER ALKYL ESTERS OF ACRYLIC ACIDS, LOWER ALKYL ESTERS OF METHACRYLIC ACIDS, VINYL MONOMERS, VINYLIDENE MONOMERS AND URETHANES, SAID POLYMER HAVING A WEIGHT PICKUP OF AT LEAST 2% WHEN IMMERSED IN MOLTEN SULPHUR AT 140*C. FOR TEN HOURS.
Claim 2
Dependent Claim
78 words
A COMPOSITION CONSISTING ESSENTIALLY OF SULPHUR MODIFIED WITH FROM ABOUT 5 TO ABOUT 20% BY WEIGHT OF A POLYMER, BASED ON THE WEIGHT OF THE SULPHUR, SAID POLYMER BEING SELECTED FROM THE GROUP CONSISTING OF POLYMERS AND COPOLYMERS OF OLEFINS, LOWER ALKYL ESTERS OF ACRYLIC ACIDS, LOWER ALKYL ESTERS OF METHACRYLIC ACIDS, VINYL MONOMERS, VINYLIDENE MONOMERS AND URETHANES, SAID POLYMER HAVING A WEIGHT PICKUP OF AT LEAST 2% WHEN IMMERSED IN MOLTEN SULPHUR AT 140*C. FOR TEN HOURS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |