US3342732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for flocculating aqueous dispersions of solids using electropositive polysaccharide complex
Assignee: Ashland LLC
•
Filing: 1964-07-30
•
Granted: 1967-09-19
•
Expires: 1984-07-30
Abstract
No abstract record available.
Inventors
- 👤 Donald C Goetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:02
CPC Classifications
C; C12; C12P; C12P19/00; C12P19/04; C12P19/06; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/91; Y10S507/00; Y10S507/935; Y10S507/936
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
IN A PROCESS FOR FLOCCULATING AQUEOUS DISPERSIONS OF SOLIDS WHEREIN A FLOCCULANT IS ADDED TO SAID DISPERSION TO FLOCCULATE SAID SOLIDS, THE IMPROVEMENT WHICH COMPRISES USING, AS FLOCCULANT, ELECTROPOSITIVE POLYSACCHARIDE COMPLEX OF A POLYSACCHARIDE GUM, PRODUCED BY TGHE ACTION OF BACTERIA OF THE GENUS XANTRHOMONAS ON A CARBOHYDRATE, AND ALUMINUM SULFATE.
Claim 2
Dependent Claim
51 words
IN A PROCESS FOR FLOCCULATING AQUEOUS DISPERSIONS OF SOLIDS WHEREIN A FLOCCULANT IS ADDED TO SAID DISPERSION TO FLOCCULATE SAID SOLIDS, THE IMPROVEMENT WHICH COMPRISES USING, AS FLOCCULANT, ELECTROPOSITIVE POLYSACCHARIDE COMPLEX OF A POLYSACCHARIDE GUM, PRODUCED BY TGHE ACTION OF BACTERIA OF THE GENUS XANTRHOMONAS ON A CARBOHYDRATE, AND ALUMINUM SULFATE.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |