US3037052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyzing reactions with cation exchange resin
Assignee: Rohm and Haas Co
•
Filing: 1959-04-29
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Granted: 1962-05-29
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Expires: 1979-04-29
Abstract
No abstract record available.
Inventors
- 👤 Newman M Bortnick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:55
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/52; B; B01; B01J; B01J31/00; B01J31/02; B01J31/06; B01J31/08; B01J31/10; C07; C07B; C07B61/00; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/28; C07C2/54; C07C2/64; C07C2/66; C07C37/00; C07C37/08; C07C37/11; C07C37/14; C07C45/00; C07C45/45; C07C45/455; C07C45/46; C07C45/51; C07C45/53; C07C45/61; C07C45/67; C07C45/68; C07C45/72; C07C45/74; C07C67/00; C07C67/04; C07C67/48; C07C67/56; C07D; C07D311/00; C07D311/02; C07D311/04; C07D311/06; C07D311/08; C07D311/16; C07D315/00; C08F8/00; C08F8/34; B01J2231/00; B01J2231/10; B01J2231/12; B01J2231/30; B01J2231/32; B01J2231/323; B01J2231/34; B01J2231/341; B01J2231/40; B01J2231/42; B01J2231/4205; C07C2531/00; C07C2531/02; C07C2531/06; C07C2531/08; C07C2531/10; C07C2601/00; C07C2601/04; C07C2601/06; C07C2601/08; C07C2601/12; C07C2601/14; C07C2601/18; C08F2800/00; C08F2800/20; C08F2810/00; C08F2810/20; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A METHOD FOR CATALYZING REACTIONS WHICH ARE CONDUCTED IN NON-AQUEOUS MEDIA AND WHICH ARE CATALYZED BY ACIDS WHICH COMPRISES CONTACTING A MIXTURE OF THE REACTANTS WITH THE DEHYDRATED ACID FORM OF A SULFONIC ACID CATION EXCHANGE RESIN WHICH POSSESSES A MACRO-RETICULAR STRUCTURE.
Claim 2
Independent Claim
42 words
A METHOD FOR CATALYZING REACTIONS WHICH ARE CONDUCTED IN NON-AQUEOUS MEDIA AND WHICH ARE CATALYZED BY ACIDS WHICH COMPRISES CONTACTING A MIXTURE OF THE REACTANTS WITH THE DEHYDRATED ACID FORM OF A SULFONIC ACID CATION EXCHANGE RESIN WHICH POSSESSES A MACRO-RETICULAR STRUCTURE.
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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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |