US3239486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized epihalohydrin compositions containing a nitrogen antioxidant and a lead compound
Assignee: Hercules Powder Co
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Filing: 1965-03-23
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Granted: 1966-03-08
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Expires: 1985-03-23
Abstract
No abstract record available.
Inventors
- 👤 William D Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:49
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/005; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K3/24; C08K3/26; C08K5/04; C08K5/09; C08K5/098; C08L; C08L71/00; C08L71/02; C08L71/03
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
72 words
A STABILIZED EPIHALOHYDRIN POLYMER COMPOSITION COMPRISING AN EPIHALOHYDRIN POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 40,000 AND IN INTIMATE ADMIXTURE THEREWITH A STABILIZING AMOUNT OF AT LEAST ONE NITROGEN CONTAINING AUTIOXIDANT IN COMBINATION WITH A STABILIZING AMOUNT OF AT LEAST ONE LEAD COMPOUND SELECTED FROM THE GROUP CONSISTING OF LEAD SALTS OF UNSATURATED ALIPHATIC CARBOXYLIC ACIDS, LEAD SALTS OF AROMATIC CARBOXYLIC ACIDS, LEAD SALTS OF CARBONIC ACID AND LEAD OXIDES.
Claim 2
Dependent Claim
72 words
A STABILIZED EPIHALOHYDRIN POLYMER COMPOSITION COMPRISING AN EPIHALOHYDRIN POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 40,000 AND IN INTIMATE ADMIXTURE THEREWITH A STABILIZING AMOUNT OF AT LEAST ONE NITROGEN CONTAINING AUTIOXIDANT IN COMBINATION WITH A STABILIZING AMOUNT OF AT LEAST ONE LEAD COMPOUND SELECTED FROM THE GROUP CONSISTING OF LEAD SALTS OF UNSATURATED ALIPHATIC CARBOXYLIC ACIDS, LEAD SALTS OF AROMATIC CARBOXYLIC ACIDS, LEAD SALTS OF CARBONIC ACID AND LEAD OXIDES.
Claim 3
Dependent Claim
134 words
A STABILIZED VULCANIZABLE EPIHALOHYDRIN POLYMER COMPOSITION COMPRISING AN EPIHALOHYDRIN POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 40,000 AND IN INTIMATE ADMIXTURE THEREWITH (A) AT LEAST ONE POLYAMINE CROSS-LINKING AGENT SELECTED FROM THE GROUP CONSISTING OF ALKYLENEDIAMINES, ALKYLENETRIAMINES, ALKYLENEDIAMINE CARBAMATES, KETOPOLYAMINES AND THIOKETOPOLYAMINES. (B) AT LEAST ONE NITROGEN CONTAINING ANTIOXIDANT SELECTED FROM THE GROUP CONSISTING OF NAPHTHYLAMINES, PHENYLENEDIAMINES, DIPHENYLAMINES, AMINOPHENOIS, AMINODIPHENYL METHANES, ARYL SUBSTITUED ALKYLENEDIAMINES, AMINOBIPHENYLS, THE REACTION PRODUCTS OF AN ALDEHYDE WITH AN AMINE, THE REACTION PRODUCTS OF A KETONE WITH AN AMINE, QUINOLINES, MORPHOLINES, AMIDINES, DITHIOCARBAMATES, ACRIDANS, MERCAPTOBENZIMIDAZOLES, THE GUANIDINE SALTS OF DIPYROCATECHOL BORATE, MERCAPTOBENZOTHIAZOLES AND MERCAPTOMIDAZOLES, AND (C) AT LEAST ONE LEAD COMPOUND SELECTED FROM THE GROUP CONSISTING OF LEAD SALTS OF UNSATURATED ALIPHATIC CARBOXYLIC ACIDS, LEAD SALTS OF AROMATIC CARBOXYLIC ACIDS, LEAD SALTS OF CARBONIC ACID AND LEAD OXIDES.
Claim 4
Dependent Claim
134 words
A STABILIZED VULCANIZABLE EPIHALOHYDRIN POLYMER COMPOSITION COMPRISING AN EPIHALOHYDRIN POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 40,000 AND IN INTIMATE ADMIXTURE THEREWITH (A) AT LEAST ONE POLYAMINE CROSS-LINKING AGENT SELECTED FROM THE GROUP CONSISTING OF ALKYLENEDIAMINES, ALKYLENETRIAMINES, ALKYLENEDIAMINE CARBAMATES, KETOPOLYAMINES AND THIOKETOPOLYAMINES. (B) AT LEAST ONE NITROGEN CONTAINING ANTIOXIDANT SELECTED FROM THE GROUP CONSISTING OF NAPHTHYLAMINES, PHENYLENEDIAMINES, DIPHENYLAMINES, AMINOPHENOIS, AMINODIPHENYL METHANES, ARYL SUBSTITUED ALKYLENEDIAMINES, AMINOBIPHENYLS, THE REACTION PRODUCTS OF AN ALDEHYDE WITH AN AMINE, THE REACTION PRODUCTS OF A KETONE WITH AN AMINE, QUINOLINES, MORPHOLINES, AMIDINES, DITHIOCARBAMATES, ACRIDANS, MERCAPTOBENZIMIDAZOLES, THE GUANIDINE SALTS OF DIPYROCATECHOL BORATE, MERCAPTOBENZOTHIAZOLES AND MERCAPTOMIDAZOLES, AND (C) AT LEAST ONE LEAD COMPOUND SELECTED FROM THE GROUP CONSISTING OF LEAD SALTS OF UNSATURATED ALIPHATIC CARBOXYLIC ACIDS, LEAD SALTS OF AROMATIC CARBOXYLIC ACIDS, LEAD SALTS OF CARBONIC ACID AND LEAD OXIDES.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |