US3205187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Making cationically stabilized latexes from anionically stabilized latexes
Assignee: Dow Chemical Co
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Filing: 1960-09-22
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Granted: 1965-09-07
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Expires: 1980-09-22
Abstract
No abstract record available.
Inventors
- 👤 John W Vanderhoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:32
CPC Classifications
C; C08; C08C; C08C1/00; C08C1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METHOD FOR MAKING CATIONICALLY STABILIZED LATEXES FROM ANIONICALLY STABILIZED LATEXES BY ADDING A STARTING ANIONICALLY STABILIZED STARTING LATEX WHICH IS A PRODUCT OF EMULSION POLYMERIZATION OF POLYMERIZABLE UNSATURATED MONOMERS TO AN AQUEOUS SOLUTION OF A WATER-SOLUBLE POLYMERIC ORGANIC CATIONIC POLYELECTROLYTE WITH RAPID ADMIXING, THE STARTING LATEX AND THE WATER-SOLUBLE POLYMERIC ORGANIC CATIONIC POLYELECTROLYTE BEING ADMIXED IN AMOUNTS SUCH THAT THE WATER-SOLUBLE POLYMERIC ORGANIC CATIONIC POLYELECTROLYTE IS IN EXCESS OF THE EFFECT ANIONIC STABILIZER IN THE STARTING LATEX ON AN EQUIVALENT WEIGHT BASIS.
Claim 2
Independent Claim
83 words
A METHOD FOR MAKING CATIONICALLY STABILIZED LATEXES FROM ANIONICALLY STABILIZED LATEXES BY ADDING A STARTING ANIONICALLY STABILIZED STARTING LATEX WHICH IS A PRODUCT OF EMULSION POLYMERIZATION OF POLYMERIZABLE UNSATURATED MONOMERS TO AN AQUEOUS SOLUTION OF A WATER-SOLUBLE POLYMERIC ORGANIC CATIONIC POLYELECTROLYTE WITH RAPID ADMIXING, THE STARTING LATEX AND THE WATER-SOLUBLE POLYMERIC ORGANIC CATIONIC POLYELECTROLYTE BEING ADMIXED IN AMOUNTS SUCH THAT THE WATER-SOLUBLE POLYMERIC ORGANIC CATIONIC POLYELECTROLYTE IS IN EXCESS OF THE EFFECT ANIONIC STABILIZER IN THE STARTING LATEX ON AN EQUIVALENT WEIGHT BASIS.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |