Patent US3138158A successfully refreshed from Google Patents.
US3136755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insoluble polymeric-iodine complexes
Assignee: GAF Chemicals Corp
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Filing: 1960-12-01
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Granted: 1964-06-09
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Expires: 1980-12-01
Abstract
No abstract record available.
Inventors
- 👤 Grosser Frederick
- 👤 Susko John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:06
CPC Classifications
C; C08; C08F; C08F26/00; C08F26/06; C08F8/00; C08F8/18; C08F8/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
111 words
INSOLUBLE POLYMERIC-IODINE COMPLEXES OF POLYMERS OBTAINED BY HEATING A MONOMER SELECTED FROM THE CLASS CONSISTING OF N-VINYL-2-PYRROLIDONE, 5-METHYL-N-VINYL-2PYRROLIDONE, 5-ETHYL-N-VINYL-2-PYRROLIDONE, 3,3DIMETHYL-N-VINYL-2-PYRROLIDONE, 3-METHYL-NVINYL-2-PYRROLIDONE, 3-ETHYL-N-VINYL-2-PYRROLIDONE, R-METHYL-N-VINYL-2-PYRROLIDONE, R-ETHYL N-VINYL-2-PYRROLIDONE, 3-PHENYL-3-B-DIETHYLAMINE-ETHYL-N-VINYL-2-PYRROLIDONE, 5-HYDROXYMETHYL-N-VINYL-2-PYRROLIDONE, N-VINYL-2-PIPERIDONE, N-VINYL-CAPROLACTAM, N-VINYL-2-OXAZOLIDONE, N-VINYL-5-METHYL-2-OXAZOLIDONE, N-VINYL5-ETHYL-2-OXAZIDONE, N-VINYL-3-MORPHOLINONE, N-VINYL-2,6-DIMETHYL-3-MORPHOLINONE, AND N-VINYL-5METHYL-3-MORPHOLINONE AT A TEMPERATURE OF 40*-200*C. IN THE PRESENCEE OF A CATALYTIC AMOUNT OF AN ALKALINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, ALKALINE EARTH METALS, AND THE OXIDES HYDROXIDES AND ALKOXIDES OF THESE METALS, SAID POLYMER BEING CHARACTERIZED BY ITS INSOLUBILITY IN WATER, STRONG MINERAL ACIDS, CAUSTIC SOLUTIONS, AND COMMON ORGANIC SOLVENTS, MIXING SAID POLYMER WITH IODINE AND HEATING, AND THE SAID INSOLUBLE POLYMERIC-IODINE COMPLEXES CONTAINING FROM 0.05 TO 25% OF AVAILABLE IODINE.
Claim 2
Dependent Claim
111 words
INSOLUBLE POLYMERIC-IODINE COMPLEXES OF POLYMERS OBTAINED BY HEATING A MONOMER SELECTED FROM THE CLASS CONSISTING OF N-VINYL-2-PYRROLIDONE, 5-METHYL-N-VINYL-2PYRROLIDONE, 5-ETHYL-N-VINYL-2-PYRROLIDONE, 3,3DIMETHYL-N-VINYL-2-PYRROLIDONE, 3-METHYL-NVINYL-2-PYRROLIDONE, 3-ETHYL-N-VINYL-2-PYRROLIDONE, R-METHYL-N-VINYL-2-PYRROLIDONE, R-ETHYL N-VINYL-2-PYRROLIDONE, 3-PHENYL-3-B-DIETHYLAMINE-ETHYL-N-VINYL-2-PYRROLIDONE, 5-HYDROXYMETHYL-N-VINYL-2-PYRROLIDONE, N-VINYL-2-PIPERIDONE, N-VINYL-CAPROLACTAM, N-VINYL-2-OXAZOLIDONE, N-VINYL-5-METHYL-2-OXAZOLIDONE, N-VINYL5-ETHYL-2-OXAZIDONE, N-VINYL-3-MORPHOLINONE, N-VINYL-2,6-DIMETHYL-3-MORPHOLINONE, AND N-VINYL-5METHYL-3-MORPHOLINONE AT A TEMPERATURE OF 40*-200*C. IN THE PRESENCEE OF A CATALYTIC AMOUNT OF AN ALKALINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, ALKALINE EARTH METALS, AND THE OXIDES HYDROXIDES AND ALKOXIDES OF THESE METALS, SAID POLYMER BEING CHARACTERIZED BY ITS INSOLUBILITY IN WATER, STRONG MINERAL ACIDS, CAUSTIC SOLUTIONS, AND COMMON ORGANIC SOLVENTS, MIXING SAID POLYMER WITH IODINE AND HEATING, AND THE SAID INSOLUBLE POLYMERIC-IODINE COMPLEXES CONTAINING FROM 0.05 TO 25% OF AVAILABLE IODINE.
Claim 3
Dependent Claim
86 words
THE INSOLUBLE POLYMERIC-IODINE COMPLEX OF THE POLYMER OBTAINED BY HEATING N-VINYL-E-CAPROLACTAM AT A TEMPERATURE OF 40-200*C. IN THE PRESENCE OF A CATALYTIC AMOUNT OF AN ALKALINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, ALKALINE EARTH METALS, AND THE OXIDES, HYDROXIDES AND ALKOXIDES OF THESE METALS, SAID POLYMER BEING CHARACTERIZED BY ITS INSOLUBILITY IN WATER, STRONG MINERAL ACIDS, CAUSTIC SOLUTIONS, AND COMMON ORGANIC SOLVENTS, MIXING SAID POLYMER WITH IODINE AND HEATING, AND THE SAID INSOLUBLE POLYMERIC-IODINE COMPLEX CONTAINING FROM 0.05 TO 25% OF AVAILABLE IODINE.
Claim 4
Dependent Claim
86 words
THE INSOLUBLE POLYMERIC-IODINE COMPLEX OF THE POLYMER OBTAINED BY HEATING N-VINYL-E-CAPROLACTAM AT A TEMPERATURE OF 40-200*C. IN THE PRESENCE OF A CATALYTIC AMOUNT OF AN ALKALINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, ALKALINE EARTH METALS, AND THE OXIDES, HYDROXIDES AND ALKOXIDES OF THESE METALS, SAID POLYMER BEING CHARACTERIZED BY ITS INSOLUBILITY IN WATER, STRONG MINERAL ACIDS, CAUSTIC SOLUTIONS, AND COMMON ORGANIC SOLVENTS, MIXING SAID POLYMER WITH IODINE AND HEATING, AND THE SAID INSOLUBLE POLYMERIC-IODINE COMPLEX CONTAINING FROM 0.05 TO 25% OF AVAILABLE IODINE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |