US2859192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combinations of vinyl aqueous emulsions and resinous acetone-formaldehyde reaction products
Assignee: Harvel Research Corp
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Filing: 1955-09-22
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Granted: 1958-11-04
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Expires: 1975-09-22
Abstract
No abstract record available.
Inventors
- 👤 Mortimer T Harvey
- 👤 Peter L Rosamilia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:49
CPC Classifications
C; C09; C09D; C09D157/00; C09D161/00; C09D161/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A NOVEL COMPOSITION OF MATTER COMPRISING (A) AN AQUEOUS EMULSION OF A NORMALLY SOLID VINYL RESIN SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ACETATE, POLYVINYL CHLORIDE AND COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE AND (B) RESINOUS REACTION PRODUCT OF ACETONE AND FORMALDEHYDE PRODUCED UNDER ALKALINE CONDITIONS, SAID RESINOUS REACTION PRODUCT BEING WATER SOLUBLE AND THERMOSETTING, THE RATIO BY WEIGHT OF SAID VINYL RESIN TO SAID RESINOUS REACTION PRODUCT BEING 4 PARTS OF SAID RESINOUS REACTION PRODUCT 1-16 PARTS OF SAID VINYL RESIN, THE VISCOSITY OF SAID RESINOUS REACTION PRODUCT BEING SUCH THAT AN AQUEOUS SOLUTION THEREOF MEASURING 4 PARTS BY WEIGHT OF SAID RESINOUS PRODUCT TO 1 PART BY WEIGHT OF WATER IS IN THE RANGE OF 600 TO 10,000 CENTIPOISES AT 25*C. SAID (B) BEING DISSOLVED IN THE AQUEOUS PHASE OF (A).
Claim 2
Dependent Claim
134 words
A NOVEL COMPOSITION OF MATTER COMPRISING (A) AN AQUEOUS EMULSION OF A NORMALLY SOLID VINYL RESIN SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ACETATE, POLYVINYL CHLORIDE AND COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE AND (B) RESINOUS REACTION PRODUCT OF ACETONE AND FORMALDEHYDE PRODUCED UNDER ALKALINE CONDITIONS, SAID RESINOUS REACTION PRODUCT BEING WATER SOLUBLE AND THERMOSETTING, THE RATIO BY WEIGHT OF SAID VINYL RESIN TO SAID RESINOUS REACTION PRODUCT BEING 4 PARTS OF SAID RESINOUS REACTION PRODUCT 1-16 PARTS OF SAID VINYL RESIN, THE VISCOSITY OF SAID RESINOUS REACTION PRODUCT BEING SUCH THAT AN AQUEOUS SOLUTION THEREOF MEASURING 4 PARTS BY WEIGHT OF SAID RESINOUS PRODUCT TO 1 PART BY WEIGHT OF WATER IS IN THE RANGE OF 600 TO 10,000 CENTIPOISES AT 25*C. SAID (B) BEING DISSOLVED IN THE AQUEOUS PHASE OF (A).
References Cited (Backward Citations)
US1514508A
Cited
US2410623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |