Patent US2772771A successfully refreshed from Google Patents.
Patent US2870059A successfully refreshed from Google Patents.
US2870059A
Expired / Lapsed
US
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Process of molding dithiocarbamate slurries which contain guar gum
Assignee: EIDP Inc
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Filing: 1956-08-15
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Granted: 1959-01-20
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Expires: 1976-08-15
Abstract
No abstract record available.
Inventors
- 👤 Mortimer P Williams
- 👤 Carroll T Kirchner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:40
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
IN A PROCESS FOR FORMING SHAPES OF A DITHIOCARBAMATE, THE STEPS COMPRISING ADDING 0.25 TO 5 PERCENT BY WEIGHT BASED ON THE WEIGHT OF DITHIOCARBAMATE OF GUAR GUM TO AN AQUEOUS SLURRY OF THE DITHIOCARBAMATE, REMOVING EXCESS WATER, AND FORMING THE MIXTURE INTO SHAPES.
Claim 2
Dependent Claim
44 words
IN A PROCESS FOR FORMING SHAPES OF A DITHIOCARBAMATE, THE STEPS COMPRISING ADDING 0.25 TO 5 PERCENT BY WEIGHT BASED ON THE WEIGHT OF DITHIOCARBAMATE OF GUAR GUM TO AN AQUEOUS SLURRY OF THE DITHIOCARBAMATE, REMOVING EXCESS WATER, AND FORMING THE MIXTURE INTO SHAPES.
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |