US3220985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modifying hydrocarbon polymers
Assignee: Hercules Powder Co
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Filing: 1962-10-15
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Granted: 1965-11-30
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 David S Breslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:22
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/41; C08C; C08C19/00; C08C19/22; C08F; C08F8/00; C08F8/34; C08K5/43; D; D06; D06M; D06M13/00; D06M13/244; D06M13/248; D06M13/322; D06M13/402; D06M2101/00; D06M2101/16; D06M2101/18; D06M2101/20; Y; Y10; Y10S; Y10S260/00; Y10S260/21; Y10S8/00; Y10S8/09; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
34 words
A PROCESS OF MODIFYING A HYDROCARBON POLYMER WHICH COMPRISES HEATING SAID POLYMER IN ADMIXTURE AWITH FROM ABOUT 0.001% TO ABOUT 20%, BASED ON THE WEIGHT OF THE POLYMER OF A MONOSULFONZIDE HAVING THE FORMULA
Claim 2
Dependent Claim
34 words
A PROCESS OF MODIFYING A HYDROCARBON POLYMER WHICH COMPRISES HEATING SAID POLYMER IN ADMIXTURE AWITH FROM ABOUT 0.001% TO ABOUT 20%, BASED ON THE WEIGHT OF THE POLYMER OF A MONOSULFONZIDE HAVING THE FORMULA
Claim 3
Dependent Claim
26 words
A HYDROCARBON POLYMER MODIFIED BY TREATING WITH FROM ABOUT 0.001% TO ABOUT 20%, BASED ON THE WEIGHT OF THE POLYMER OF A MONOSULFONAZIDE HAVING THE FORMULA
Claim 4
Dependent Claim
26 words
A HYDROCARBON POLYMER MODIFIED BY TREATING WITH FROM ABOUT 0.001% TO ABOUT 20%, BASED ON THE WEIGHT OF THE POLYMER OF A MONOSULFONAZIDE HAVING THE FORMULA
References Cited (Backward Citations)
US3075950A
Cited
US3058944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |