US3356644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized compositions
Assignee: Monsanto Co
•
Filing: 1963-10-11
•
Granted: 1967-12-05
•
Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
- 👤 Lee Yoon Chai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:07
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/18; C08L33/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A COMPOSITION WHICH COMPRISES AN UNSATURATED NITRILE POLYMER CONTAINING AT LEAST 10% BY WEIGHT OF A COMBINED UNSATURATED NITRILE OF THE GROUP CONSISTING OF ACYLONITRILE, METHACRYLONITRILE, ETHACRYLONITRILE, PROPACRYLONITRILE, BUTACYLONITRILE, AND MIXTURES THEREOF, SAID NITRILE POLYMER BEING SELECTED FROM THE CLASS CONSISTING OF HOMOPOLYMERS OF THE NITRILES OF SAID GROUP, INTERPOLYMERS OF THE NITRILES OF SAID GROUP WITH EACH OTHER, AND INTERPOLYMERS OF THE NITRILES OF SAID GROUP WITH A COMONOMER SELECTED FROM THE CLASS CONSISTING OF MONOVINYLIDENE AROMATIC HYDROCARBONS, ALKYL ACRYLATES, ALKYL ALKACRYLATES, ACRYLAMIDES, NALKYL ACRYLAMIDES, DIALKYL MALEATES, AND DIALKYL FUMARATES IN INTIMATE ADMIXTURE WITHABOUT 0.05-1%, BASED ON THE WEIGHT OF THE POYMER, OF THE PRODUCT OF THE POLYMERIZATION OF AN ALKYLENE OXIDE WITH A TERMINAL EPOXY GROUP UPON A POLYOL, SAID PRODUCT HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 400-3000 AND AN AVERAGE HYDROXYL NUMBER OF ABOUT 60-7009
Claim 2
Dependent Claim
139 words
A COMPOSITION WHICH COMPRISES AN UNSATURATED NITRILE POLYMER CONTAINING AT LEAST 10% BY WEIGHT OF A COMBINED UNSATURATED NITRILE OF THE GROUP CONSISTING OF ACYLONITRILE, METHACRYLONITRILE, ETHACRYLONITRILE, PROPACRYLONITRILE, BUTACYLONITRILE, AND MIXTURES THEREOF, SAID NITRILE POLYMER BEING SELECTED FROM THE CLASS CONSISTING OF HOMOPOLYMERS OF THE NITRILES OF SAID GROUP, INTERPOLYMERS OF THE NITRILES OF SAID GROUP WITH EACH OTHER, AND INTERPOLYMERS OF THE NITRILES OF SAID GROUP WITH A COMONOMER SELECTED FROM THE CLASS CONSISTING OF MONOVINYLIDENE AROMATIC HYDROCARBONS, ALKYL ACRYLATES, ALKYL ALKACRYLATES, ACRYLAMIDES, NALKYL ACRYLAMIDES, DIALKYL MALEATES, AND DIALKYL FUMARATES IN INTIMATE ADMIXTURE WITHABOUT 0.05-1%, BASED ON THE WEIGHT OF THE POYMER, OF THE PRODUCT OF THE POLYMERIZATION OF AN ALKYLENE OXIDE WITH A TERMINAL EPOXY GROUP UPON A POLYOL, SAID PRODUCT HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 400-3000 AND AN AVERAGE HYDROXYL NUMBER OF ABOUT 60-7009
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |