US2807597A
Expired / Lapsed
US
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Stable latices of acidic and basic copolymers and process for preparing them
Assignee: Phillips Petroleum Co
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Filing: 1954-07-26
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Granted: 1957-09-24
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Expires: 1974-07-26
Abstract
No abstract record available.
Inventors
- 👤 Richard J Sonnenfeld
- 👤 Lesher A Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:18
CPC Classifications
C; C08; C08L; C08L13/00; C08L13/02; C08L19/00; C08L19/006; C08L9/00; Y; Y10; Y10S; Y10S521/00; Y10S521/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A PROCESS OF PRODUCING A STABLE LATEX WHICH COMPRISES BRINGING TOGETHER A LATEX OF A POLYMERIC MATERIAL CONTAINING A MULTIPLICITY OF ACIDIC GROUPS PER MOLECULE WITH A LATEX OF A POLYMERIC MATERIAL CONTAINING A MULTIPLICITY OF BASIC NITROGEN GROUPS PER MOLECULE AND WHEREIN THE PH OF THE LATEX OF THE POLYMERIC MATERIAL CONTAINING A MULTIPLICITY OF ACID GROUPS, THE PH OF THE LATEX CONTAINING THE MULTIPLICITY OF BASIC NITROGEN GROUPS HAVE A PREDETERMINED RELATIONSHIP AS DETERMINED BY PH FALLING ON THE LEFT SIDE OF THE LINE OF THE FIGURE AND WHEREIN THE PH OF THE MIXED LATEX IS NO GREATER THAN 7.0.
Claim 2
Dependent Claim
102 words
A PROCESS OF PRODUCING A STABLE LATEX WHICH COMPRISES BRINGING TOGETHER A LATEX OF A POLYMERIC MATERIAL CONTAINING A MULTIPLICITY OF ACIDIC GROUPS PER MOLECULE WITH A LATEX OF A POLYMERIC MATERIAL CONTAINING A MULTIPLICITY OF BASIC NITROGEN GROUPS PER MOLECULE AND WHEREIN THE PH OF THE LATEX OF THE POLYMERIC MATERIAL CONTAINING A MULTIPLICITY OF ACID GROUPS, THE PH OF THE LATEX CONTAINING THE MULTIPLICITY OF BASIC NITROGEN GROUPS HAVE A PREDETERMINED RELATIONSHIP AS DETERMINED BY PH FALLING ON THE LEFT SIDE OF THE LINE OF THE FIGURE AND WHEREIN THE PH OF THE MIXED LATEX IS NO GREATER THAN 7.0.
References Cited (Backward Citations)
US2614093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |