Patent US3401134A successfully refreshed from Google Patents.
US3401134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer latices of high viscosity
Assignee: ATK Launch Systems LLC
•
Filing: 1964-09-24
•
Granted: 1968-09-10
•
Expires: 1984-09-24
Abstract
No abstract record available.
Inventors
- 👤 Fantl Joel
- 👤 Frank J Hahn
- 👤 John F Heaps
- 👤 Charles R Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:48
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/04; C08F220/06; C08F22/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
AN AQUEOUS LATEX PREPARED BY THE AQUEOUS EMULSION POLYMERIZATION OF A MONOMER MIXTURE OF (A) FROM ABOUT 5.5 TO 20 PERCENT BY WEIGHT OF AN ALPHA,BETA-ETHYLENICALLY UNSATURATED CARBOXYLIC ACID AND (B) AT LEAST ONE VINYLIDENE MONOMER WHICH IS INTERPOLYMERIZABLE THEREWITH, IN WHICH POLYMERIZATION THE ADDITION OF AT LEAST A PORTION OF THE ACID MONOMER TO THE EMULSION IS DELAYED UNTIL AT LEAST 70 PERCENT BY WEIGHT OF THE TOTAL WEIGHT OF MONOMERS HAVE POLYMERIZED; SAID ACID MONOMER CONSTITUTING FROM 18 TO 75 PERCENT BY WEIGHT OF THE REMAINING MONOMERS SO ADDED TO THE EMULSION; SAID POLYMER PARTICLES HAVING AN AVERAGE PARTICLE SIZE OF FROM 0.01 TO 1.0 MICRON.
Claim 2
Dependent Claim
108 words
AN AQUEOUS LATEX PREPARED BY THE AQUEOUS EMULSION POLYMERIZATION OF A MONOMER MIXTURE OF (A) FROM ABOUT 5.5 TO 20 PERCENT BY WEIGHT OF AN ALPHA,BETA-ETHYLENICALLY UNSATURATED CARBOXYLIC ACID AND (B) AT LEAST ONE VINYLIDENE MONOMER WHICH IS INTERPOLYMERIZABLE THEREWITH, IN WHICH POLYMERIZATION THE ADDITION OF AT LEAST A PORTION OF THE ACID MONOMER TO THE EMULSION IS DELAYED UNTIL AT LEAST 70 PERCENT BY WEIGHT OF THE TOTAL WEIGHT OF MONOMERS HAVE POLYMERIZED; SAID ACID MONOMER CONSTITUTING FROM 18 TO 75 PERCENT BY WEIGHT OF THE REMAINING MONOMERS SO ADDED TO THE EMULSION; SAID POLYMER PARTICLES HAVING AN AVERAGE PARTICLE SIZE OF FROM 0.01 TO 1.0 MICRON.
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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |