US2733232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of free-flowing solid
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:19
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A METHOD OF MAKING A FINELY DIVIDED, FREE-FLOWING SALT OF A WATER-SOLUBLE ALKENYL AROMATIC RESIN SULFONIC ACID DIRECTLY FROM THE FINELY DIVIDED, SOLID RESIN SULFONIC ACID, WHICH METHOD COMPRISES INTIMATELY ADMIXING A LIQUID AQUEOUS SOLUTION OF A BASIC METAL COMPOUND, WHICH SOLUTION CONTAINS NOT MORE THAN 180 GRAMS OF WATER PER GRAM EQUIVALENT WEIGHT OF THE BASIC COMPOUND, WITH AN AMOUNT OF THE SOLID, FINELY DIVIDED ALKENYL AROMATIC RESIN SULFONIC ACID CORRESPONDING APPROXIMATELY TO THE CHEMICAL EQUIVALENT OF THE BASIC COMPOUND.
Claim 2
Independent Claim
81 words
A METHOD OF MAKING A FINELY DIVIDED, FREE-FLOWING SALT OF A WATER-SOLUBLE ALKENYL AROMATIC RESIN SULFONIC ACID DIRECTLY FROM THE FINELY DIVIDED, SOLID RESIN SULFONIC ACID, WHICH METHOD COMPRISES INTIMATELY ADMIXING A LIQUID AQUEOUS SOLUTION OF A BASIC METAL COMPOUND, WHICH SOLUTION CONTAINS NOT MORE THAN 180 GRAMS OF WATER PER GRAM EQUIVALENT WEIGHT OF THE BASIC COMPOUND, WITH AN AMOUNT OF THE SOLID, FINELY DIVIDED ALKENYL AROMATIC RESIN SULFONIC ACID CORRESPONDING APPROXIMATELY TO THE CHEMICAL EQUIVALENT OF THE BASIC COMPOUND.
References Cited (Backward Citations)
US2533211A
Cited
US2607762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |