Patent US3288762A successfully refreshed from Google Patents.
US3288762A
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Curing process and composition for chloroslfonated polyethylene
Assignee: EIDP Inc
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Filing: 1962-09-10
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Granted: 1966-11-29
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Expires: 1982-09-10
Abstract
No abstract record available.
Inventors
- 👤 John T Maynard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:20
CPC Classifications
C; C10; C10G; C10G17/00; C10G17/09; C07; C07C; C07C309/00; C07C309/01; C07C309/62; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A PROCESS FOR CURING ELASTOMERIC CHLOROSULFONATED POLYETHYLENES IN THE PRESENCE OF (A) A MEMBER SELECTED FROM THE GROUP CONSISTING OF POLYVALENT METAL OXIDES, POLYVALENT METAL HYDROXIDES AND WEAK ACID SALTS OF POLYVALENT METALS AND (B) MONOCARBOXYLIC ACIDS SELECTED FROM THE GROUP CONSISTING OF THE ALIPHATIC AND CYCLOALIPHATIC SERIES OF MOLECULAR WEIGHT ABOVE 200 AND MIXTURES THEREOF, THE IMPROVEMENT WHICH COMPRISES ADDING 0.005 TO 0.5 PART PER 100 PARTS BY WEIGHT OF SAID CHLOROSULFONATED POLYETHYLENES OF AT LEAST ONE NON-VOLATILE COMPOUND SELECTED FROM THE GROUP CONSISTING OF INORGANIC NITRITES, ORGANIC NITRO COMPOUNDS, ORGANIC NITROSO COMPOUNDS AND ORGANIC OXIMINO COMPOUNDS WHERE IN SAID RESPECTIVE ORGANIC COMPOUNDS A NITRO, NITROSO OR OXIMINO GROUP IS DIRECTLY ATTACHED TO A CARBON ATOM.
Claim 2
Dependent Claim
118 words
IN A PROCESS FOR CURING ELASTOMERIC CHLOROSULFONATED POLYETHYLENES IN THE PRESENCE OF (A) A MEMBER SELECTED FROM THE GROUP CONSISTING OF POLYVALENT METAL OXIDES, POLYVALENT METAL HYDROXIDES AND WEAK ACID SALTS OF POLYVALENT METALS AND (B) MONOCARBOXYLIC ACIDS SELECTED FROM THE GROUP CONSISTING OF THE ALIPHATIC AND CYCLOALIPHATIC SERIES OF MOLECULAR WEIGHT ABOVE 200 AND MIXTURES THEREOF, THE IMPROVEMENT WHICH COMPRISES ADDING 0.005 TO 0.5 PART PER 100 PARTS BY WEIGHT OF SAID CHLOROSULFONATED POLYETHYLENES OF AT LEAST ONE NON-VOLATILE COMPOUND SELECTED FROM THE GROUP CONSISTING OF INORGANIC NITRITES, ORGANIC NITRO COMPOUNDS, ORGANIC NITROSO COMPOUNDS AND ORGANIC OXIMINO COMPOUNDS WHERE IN SAID RESPECTIVE ORGANIC COMPOUNDS A NITRO, NITROSO OR OXIMINO GROUP IS DIRECTLY ATTACHED TO A CARBON ATOM.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |