US3069375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous polymerization of carboxylic monomer using colloidal silica and resulting product
Assignee: EIDP Inc
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Filing: 1957-10-04
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Granted: 1962-12-18
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Expires: 1977-10-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Orville H Bullitt
- 👤 Richard R Storrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:09
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/44; C08F20/00; C08F20/62; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/42; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/062; C09D133/064; C08L; C08L61/00; C08L61/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A STABLE AQUEOUS DISPERSION COPOLYMER SALT COMPOSITION, CHARACTERIZED BY A SURFACE TENSION OF AT LEAST 50 DYNES/CM., COMPRISING AS THE DISPERSED PARTICULATE PHASE AN AMMONIUM SALT OF A CARBOXYLIC ACID COPOLYMER, AT LEAST TERNARY IN COMPOSITION, OF AN ALPHA ETHYLENICALLY UNSATURATED MONOMER MIXTURE COMPRISING (A) FROM 1% TO 15% OF AT LEAST ONE POLYMERIZABLE ALPHA MONOETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
53 words
THE AQUEOUS DISPERSION COMPOSITION OF CLAIM 9 CONTAINING DISPERSED THEREIN AT LEAST ONE WATER-DILUTABLE, HEAT-REACTIVE FORMALDEHYDE CONDENSATE IN AN AMOUNT FROM 1% TO 4% BASED ON THE WEIGHT OF SAID COPOLYMER, SAID FORMALDEHYDE CONDENSATE BEING SELECTED FROM THE GROUP CONSISTING OF WATER-DILUTABLE, HEAT-REACTIVE CONDENSATES OF PHENOL/FORMALDEHYDE, KETONE/FORMALDEHYDE KETONE/UREA/FORMALDEHYDE, UREA/FORMALDEHYDE, MELAMINE/FORMALDEHYDE, AND UREA/MELAMI NE/FROMALDEHYDE.
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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |