US3371712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition and method of agglomerating and stabilizing particulate matter by chemical treatment
Assignee: ChampionX LLC
•
Filing: 1966-04-19
•
Granted: 1968-03-05
•
Expires: 1986-04-19
Abstract
No abstract record available.
Inventors
- 👤 Nicholas M Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:08
CPC Classifications
C; C09; C09K; C09K17/00; C09K17/40; C09K17/48
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
110 words
A PROCESS OF AGGREGATING PARTICULATE MATTER TO PRODUCE EXCEPTIONALLY HIGH STRENGTH AGGLOMERATES THEREOF WHICH COMPRISES THE STEPS OF CONTACTING SAID MATTER IN THE PRESENCE OF WATER WITH A POLYMERIZABLE MIXTURE COMPRISING 25-75% BY WEIGHT OF AN UNSATURATED POLYESTER, 20-50% BY WEIGHT OF A COLLOIDAL SILICA SOL CONTAINING 10-60% BY WEIGHT OF SUBSTANTIALLY DISCRETE, DENSE NONAGGLOMERATED PARTICLES OF SLICA COLLOIDALLY DISPERSED IN AN AQUEOUS LIQUID, 6-25% BY WEIGHT OF AN ALKALI METAL SILICATE, AND 0.2-8% BY WEIGHT OF A CATALYST, AND EFFECTING POLYMERIZATION OF SAID MIXTURE IN THE PRESENCE OF SAID PARTICULATE MATTER WHEREBY SAID MATTER AND SAID MIXTURE ARE CONVERTED TO A SUBSTANTIALLY WATER-IMPERMEABLE MASS, CHARACTERIZED AS POSSESSING SUPERIOR STRENGTH.
Claim 2
Dependent Claim
110 words
A PROCESS OF AGGREGATING PARTICULATE MATTER TO PRODUCE EXCEPTIONALLY HIGH STRENGTH AGGLOMERATES THEREOF WHICH COMPRISES THE STEPS OF CONTACTING SAID MATTER IN THE PRESENCE OF WATER WITH A POLYMERIZABLE MIXTURE COMPRISING 25-75% BY WEIGHT OF AN UNSATURATED POLYESTER, 20-50% BY WEIGHT OF A COLLOIDAL SILICA SOL CONTAINING 10-60% BY WEIGHT OF SUBSTANTIALLY DISCRETE, DENSE NONAGGLOMERATED PARTICLES OF SLICA COLLOIDALLY DISPERSED IN AN AQUEOUS LIQUID, 6-25% BY WEIGHT OF AN ALKALI METAL SILICATE, AND 0.2-8% BY WEIGHT OF A CATALYST, AND EFFECTING POLYMERIZATION OF SAID MIXTURE IN THE PRESENCE OF SAID PARTICULATE MATTER WHEREBY SAID MATTER AND SAID MIXTURE ARE CONVERTED TO A SUBSTANTIALLY WATER-IMPERMEABLE MASS, CHARACTERIZED AS POSSESSING SUPERIOR STRENGTH.
Claim 3
Dependent Claim
58 words
AS A COMPOSITION OF MATTER, A POLYMERIZABLE MIXTURE WHICH COMPRISES 25-75% BY WEIGHT OF AN UNSATURATED POLYESTER, 20-50% BY WEIGHT OF A COLLOIDALS SILICA SOL CONTAINING 10-60% BY WEIGHT OF SUBSTANTIALLY DISCRETE, DENSE NON-AGGLOMERATED PARTICLES OF SILICA COLLOIDALLY DISPERSED IN AN AQUEOUS LIQUID, 6-25% BY WEIGHT OF AN ALKALI METAL SILICATE, AND 0.2-8% BY WEIGHT OF A CATALYST.
Claim 4
Dependent Claim
58 words
AS A COMPOSITION OF MATTER, A POLYMERIZABLE MIXTURE WHICH COMPRISES 25-75% BY WEIGHT OF AN UNSATURATED POLYESTER, 20-50% BY WEIGHT OF A COLLOIDALS SILICA SOL CONTAINING 10-60% BY WEIGHT OF SUBSTANTIALLY DISCRETE, DENSE NON-AGGLOMERATED PARTICLES OF SILICA COLLOIDALLY DISPERSED IN AN AQUEOUS LIQUID, 6-25% BY WEIGHT OF AN ALKALI METAL SILICATE, AND 0.2-8% BY WEIGHT OF A CATALYST.
References Cited (Backward Citations)
US2462618A
Cited
US2473801A
Cited
US2447725A
Cited
US2701218A
Cited
US2597872A
Cited
US2833661A
Cited
US2865177A
Cited
US3087544A
Cited
US3152641A
Cited
US3202214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |