US3843538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Developing emulsion for electrostatic images
Assignee: Savin Business Machines Corp
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Filing: 1972-07-07
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Granted: 1974-10-22
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Expires: 1992-07-07
Abstract
Abstract 1. A DEVELOPING EMULSION FOR USE IN DEVELOPING A LATENT ELECTROSTATIC IMAGE INCLUDING IN COMBINATION A TACKY ORGANOSOL LIPIDE PHASE COMPRISING THE FOLLOWING BY WEIGHT: PERCENT HIGH MOLECULAR WEIGHT POLYMER 3.5-5.5 LIGHT HYDROCARBON LIQUID 32.0-52.0 PIGMENT 0.5-1.5 IN WHICH LSAID LIGHT HYDROCARBON LIQUID INCLUDES ABOUT 90% ISOPARAFFINIC HYDROCARBONS AND ABOUT 10% AROMATIC HYDROCARBONS, AND A DISPERSE AQUEOUS PHASE COMPRISING THE FOLLOWING BY WEIGHT: PERCENT WATER 43.0-64.0 SURFACE-ACTIVE EMULSIFYING AGENT 0.01-0.15 ANTITOAM AGENT 0.01-0.15 SAID HIGH MOLECULAR WEIGHT POLYMER BEING DISSOLVED IN SAID AROMATIC HYDROCARBON LIQUID.
Inventors
- 👤 M Vermeulen
- 👤 I Smith
- 👤 P Hastwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:23
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/08; G03G9/12; G03G9/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A DEVELOPING EMULSION FOR USE IN DEVELOPING A LATENT ELECTROSTATIC IMAGE INCLUDING IN COMBINATION A TACKY ORGANOSOL LIPIDE PHASE COMPRISING THE FOLLOWING BY WEIGHT:
Claim 2
Dependent Claim
24 words
A DEVELOPING EMULSION FOR USE IN DEVELOPING A LATENT ELECTROSTATIC IMAGE INCLUDING IN COMBINATION A TACKY ORGANOSOL LIPIDE PHASE COMPRISING THE FOLLOWING BY WEIGHT:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |