US3296175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer latices which have high viscosities and coating composition containing the same
Assignee: ATK Launch Systems LLC
•
Filing: 1964-09-24
•
Granted: 1967-01-03
•
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
2026-10-24 19:29
CPC Classifications
C; C08; C08F; C08F22/00; C08F20/00; C08F20/62; C08F220/00; C08F220/02; C08F220/04; C08F220/06; C08F236/00; C08F236/02; C08F236/04; C08F236/06; C08F285/00; C08F291/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A PROCESS FOR PREPARING A POLYMER LATEX FROM POLYMERIZABLE MONOMERS WHICH MONOMERS CONTAIN FROM ABOUT 5.5-20% BY WEIGHT OF AN ALPHA-BETA-ETHYLENICALLY UNSATURATED CARBOXYLIC ACID AND AT LEAST ONE VINYLIDENE MONOMER WHICH IS INTERPOLYMERIZABLE THEREWITH, IN WHICH THE MONOMERS ARE EMULSIFIED IN WATER AND POLYMERIZED, THE IMPROVEMENT WHICH CONSISTS ESSENTIALLY OF DELAYING THE ADDITION OF THE ACID MONOMER TO THE EMULSION UNITIL AT LEAST ABOUT 70% BY WEIGHT OF THE MONOMERS HAVE POLYMERIZED; SAID ACID MONOMER CONSTITUTING 18-75% BY WEIGHT OF THE REMAINING MONOMERS ADDED TO THE EMULSION.
Claim 2
Dependent Claim
88 words
IN A PROCESS FOR PREPARING A POLYMER LATEX FROM POLYMERIZABLE MONOMERS WHICH MONOMERS CONTAIN FROM ABOUT 5.5-20% BY WEIGHT OF AN ALPHA-BETA-ETHYLENICALLY UNSATURATED CARBOXYLIC ACID AND AT LEAST ONE VINYLIDENE MONOMER WHICH IS INTERPOLYMERIZABLE THEREWITH, IN WHICH THE MONOMERS ARE EMULSIFIED IN WATER AND POLYMERIZED, THE IMPROVEMENT WHICH CONSISTS ESSENTIALLY OF DELAYING THE ADDITION OF THE ACID MONOMER TO THE EMULSION UNITIL AT LEAST ABOUT 70% BY WEIGHT OF THE MONOMERS HAVE POLYMERIZED; SAID ACID MONOMER CONSTITUTING 18-75% BY WEIGHT OF THE REMAINING MONOMERS ADDED TO THE EMULSION.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |