US3099626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sweetener for dry cleaners' solvents
Assignee: Johns Manville Corp
•
Filing: 1958-12-31
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Granted: 1963-07-30
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Expires: 1978-12-31
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Riede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:04
CPC Classifications
D; D06; D06L; D06L1/00; D06L1/02; D06L1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A PROCESS FOR DRY CLEANING SOLID GEARMENTS WHEREIN AN ORGANIC SOLVENT MEDIUM IS EMPLOYED TO EMOVE SOIL FROM THE GARMENTS, THE METHOD OF SWEETENING, THE FATTY ACID SOIL CONTAMINATED SOLVENT MEDIUM WHICH COMPRISES CONTROLLING AND STABLIZING THE FATTY ACID CONTENT OF THE SOLVENT MEDIUM BY PREFERENTIALLY ADSORBING FATTY ACID FROM THE MEDIUM WITH SWEETENER CONSISTING ESSENTIALLY OF PARTICULATE HYDRATED CALCIUM SILICATE.
Claim 2
Dependent Claim
62 words
IN A PROCESS FOR DRY CLEANING SOLID GEARMENTS WHEREIN AN ORGANIC SOLVENT MEDIUM IS EMPLOYED TO EMOVE SOIL FROM THE GARMENTS, THE METHOD OF SWEETENING, THE FATTY ACID SOIL CONTAMINATED SOLVENT MEDIUM WHICH COMPRISES CONTROLLING AND STABLIZING THE FATTY ACID CONTENT OF THE SOLVENT MEDIUM BY PREFERENTIALLY ADSORBING FATTY ACID FROM THE MEDIUM WITH SWEETENER CONSISTING ESSENTIALLY OF PARTICULATE HYDRATED CALCIUM SILICATE.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |