US2759902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil conditioning agents
Assignee: GAF Chemicals Corp
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Filing: 1953-03-27
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Granted: 1956-08-21
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Expires: 1973-03-27
Abstract
No abstract record available.
Inventors
- 👤 Claudi-Magnussen Finn
- 👤 Martinelli Anthony James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:22
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/04; C09J123/08; A; A01; A01G; A01G24/00; A01G24/30; A01G24/35; C09K; C09K17/00; C09K17/14; C09K17/18; C09K17/32; C09K17/40; Y; Y10; Y10S; Y10S106/00; Y10S106/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A COMPOSITION FOR CONDITIONING SURFACE SOILS CONSISTING OF A DRY MIXTURE OF A CARRIER SELECTED FROM THE CLASS CONSISTING OF COLLOIDAL CLAY, BENTONITE, AND ALUMIMUN SILICATE, 5 TO 75 PER CENT BY WEIGHT OF AT LEAST ONE ROSINOUS MATERIAL OF THE GROUP CONSISTING OF ROSIN, ABIETIC ACID, ABIETIC ACID DIMER, MALEIC ANHYDRIDE-ABIETIC ACID ADDUCT, AMMONIUM, TRIETHANOLAMINE, CYCLOHEXYLAMINE, ALKALI AND ALAKLI EARTH METAL SALTS THEREOF, AND 25 TO 95 PER CENT BY WEIGHT OF A COPOLYMERIC POLYELECTROLYTE CHARACTERIZED BY THE FOLLOWING GENERAL FORMULA
Claim 2
Dependent Claim
82 words
A COMPOSITION FOR CONDITIONING SURFACE SOILS CONSISTING OF A DRY MIXTURE OF A CARRIER SELECTED FROM THE CLASS CONSISTING OF COLLOIDAL CLAY, BENTONITE, AND ALUMIMUN SILICATE, 5 TO 75 PER CENT BY WEIGHT OF AT LEAST ONE ROSINOUS MATERIAL OF THE GROUP CONSISTING OF ROSIN, ABIETIC ACID, ABIETIC ACID DIMER, MALEIC ANHYDRIDE-ABIETIC ACID ADDUCT, AMMONIUM, TRIETHANOLAMINE, CYCLOHEXYLAMINE, ALKALI AND ALAKLI EARTH METAL SALTS THEREOF, AND 25 TO 95 PER CENT BY WEIGHT OF A COPOLYMERIC POLYELECTROLYTE CHARACTERIZED BY THE FOLLOWING GENERAL FORMULA
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) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |