Patent US3173892A successfully refreshed from Google Patents.
US3173892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing reaction products of a halomethylated cross-linked copolymer, and resulting product
Assignee: Rohm and Haas Co
•
Filing: 1962-05-02
•
Granted: 1965-03-16
•
Expires: 1982-05-02
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Kun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:09
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/28; C08J9/286; B; B01; B01J; B01J47/00; B01J47/015; C02; C02F; C02F1/00; C02F1/20; C08F; C08F2/00; C08F2/38; C08F4/00; C08F8/00; C08J2325/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
A PROCESS FOR THE PREPARATION OF POLYMERS WHICH COMPRISES REACTING IN THE PRESENCE OF A FRIEDEL-CRAFTS CATALYST: (A) A NON-FLUORINATED HALOMETHYLATED CROSS-LINKED COPOLYMER CONTAINING ARYLENE NUCLEI CONTAINNG 1 TO 4 AROMATIC RINGS WITH (B) COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF BENZOQUINONES, NAPHTHOQUINONES, ANTHRAQUINONES, AND HYDROQUINONES CORRESPONDING TO THE HEREINBEFORE NOTED QUINONES, THE LOWER DIALKYL ETHERS OF THESE HYDROQUINONES AND THE DIALLYL AND DIARYL DIESTERS OF THESE HYDROQUINONES, EACH OF SAID COMPOUNDS HAVING AT LEAST ONE HYDROGEN IN AN AROMATIC RING AVAILABLE FOR SUBSTITUTION, (C) THE CROSS-LINKER IN SAID COPOLYMER HAVIANG BEEN SELECTED FROM THE GROUP CONSISTING OF DIVINYLBENZENE, DIVINYLPYRIDINE, DIVINLTOLUENE, DIVINYLNAPHTHALENE, DIALLYL PHTHALATE, ETHYLENE GLYCOL DIACRYLATE, ETHYLENE GLYCOL DIMETHACRYLATE, DIVINYLXYLENE, DIVINYLETHYLBENZENE, DIVINYLSULFONE, POLYVINYL ETHER OF GLYCOL, POLYALLYL ETHER OF GLYCOL, POLYVINYL ETHER OF GLYCEROL, POLYALLYL ETHER OF GLYCEROL, POLYVINYL ETHER OF PENTAERYTHRITOL, POLYALLYL ETHER OF PENTAERYTHRITOL, POLYVINYL ETHER OF MONODERIVATIVES OF GLYCOL, POLYALLYL ETHER OF MONO DERIVATIVES OF GLYCOL, POLYVINYL ETHER OF MONO DERIVATIVES OF GLYCOL, POLYALLYL ETHER OF MONO DERIVATIVES OF GLYCOL, POLYVINYL ETHER OF RESORCINOL, POLYALLYL ETHER OF RESORCINOL, DIVINYLKETONE, DIVINYL SULFIDE, ALLYL ACRYLATE, DIALLYL MALEATE, DIALLY FUMARATE, DIALLYL SUCCINATE, DIALLYL CARBONATE, DIALLYL MALONATE, DIALLYL OXALATE, DIALLYL ADIPATE, DIALLYL SEBACATE, DIVINYL SEBACATE, DIALLYL TARTRATE, DIALLYL SILICATE, TRIALLYL TRICARBALLYLATE, TRIALLYL ACONITATE, TRIALLYL CITRATE, TRIALLYL PHOSPHATE, N,N''-METHYLENE-DIACRYLAMIDE, N,N''-METHYLENEDIMETHACRYLAMIDE, N,N''METHYLENEDIACRYLAMIDE, N,N''-METHYLENEDIMETHACRYLAMIDE, N,N''-ETHYLENEDIACRYLAMIDE, 1,2-BIS(AMETHYLMETHYLENE SULFONAMIDO) ETHYLENE, TRIVINYLBENZENE, TRIVINYLNAPTHALENE, AND POLYVINYLANTHRACENE.
Claim 2
Dependent Claim
219 words
A PROCESS FOR THE PREPARATION OF POLYMERS WHICH COMPRISES REACTING IN THE PRESENCE OF A FRIEDEL-CRAFTS CATALYST: (A) A NON-FLUORINATED HALOMETHYLATED CROSS-LINKED COPOLYMER CONTAINING ARYLENE NUCLEI CONTAINNG 1 TO 4 AROMATIC RINGS WITH (B) COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF BENZOQUINONES, NAPHTHOQUINONES, ANTHRAQUINONES, AND HYDROQUINONES CORRESPONDING TO THE HEREINBEFORE NOTED QUINONES, THE LOWER DIALKYL ETHERS OF THESE HYDROQUINONES AND THE DIALLYL AND DIARYL DIESTERS OF THESE HYDROQUINONES, EACH OF SAID COMPOUNDS HAVING AT LEAST ONE HYDROGEN IN AN AROMATIC RING AVAILABLE FOR SUBSTITUTION, (C) THE CROSS-LINKER IN SAID COPOLYMER HAVIANG BEEN SELECTED FROM THE GROUP CONSISTING OF DIVINYLBENZENE, DIVINYLPYRIDINE, DIVINLTOLUENE, DIVINYLNAPHTHALENE, DIALLYL PHTHALATE, ETHYLENE GLYCOL DIACRYLATE, ETHYLENE GLYCOL DIMETHACRYLATE, DIVINYLXYLENE, DIVINYLETHYLBENZENE, DIVINYLSULFONE, POLYVINYL ETHER OF GLYCOL, POLYALLYL ETHER OF GLYCOL, POLYVINYL ETHER OF GLYCEROL, POLYALLYL ETHER OF GLYCEROL, POLYVINYL ETHER OF PENTAERYTHRITOL, POLYALLYL ETHER OF PENTAERYTHRITOL, POLYVINYL ETHER OF MONODERIVATIVES OF GLYCOL, POLYALLYL ETHER OF MONO DERIVATIVES OF GLYCOL, POLYVINYL ETHER OF MONO DERIVATIVES OF GLYCOL, POLYALLYL ETHER OF MONO DERIVATIVES OF GLYCOL, POLYVINYL ETHER OF RESORCINOL, POLYALLYL ETHER OF RESORCINOL, DIVINYLKETONE, DIVINYL SULFIDE, ALLYL ACRYLATE, DIALLYL MALEATE, DIALLY FUMARATE, DIALLYL SUCCINATE, DIALLYL CARBONATE, DIALLYL MALONATE, DIALLYL OXALATE, DIALLYL ADIPATE, DIALLYL SEBACATE, DIVINYL SEBACATE, DIALLYL TARTRATE, DIALLYL SILICATE, TRIALLYL TRICARBALLYLATE, TRIALLYL ACONITATE, TRIALLYL CITRATE, TRIALLYL PHOSPHATE, N,N''-METHYLENE-DIACRYLAMIDE, N,N''-METHYLENEDIMETHACRYLAMIDE, N,N''METHYLENEDIACRYLAMIDE, N,N''-METHYLENEDIMETHACRYLAMIDE, N,N''-ETHYLENEDIACRYLAMIDE, 1,2-BIS(AMETHYLMETHYLENE SULFONAMIDO) ETHYLENE, TRIVINYLBENZENE, TRIVINYLNAPTHALENE, AND POLYVINYLANTHRACENE.
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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |