Patent US3175991A successfully refreshed from Google Patents.
US3175991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zinc-filled coating composition from a carboxyl-containing interpolymer and a metal oxide, hydroxide, or carbonate
Assignee: PPG Industries Inc
•
Filing: 1961-03-10
•
Granted: 1965-03-30
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
- 👤 Levine Morris
- 👤 Charles H Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:14
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/20; H01B1/22; C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C09D133/00; C09D133/04; C09D133/06; C09D133/062; C09D133/064; C09D5/00; C09D5/24; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
THE COMPOSITION COMPRISING (1) AN INTERPOLYMER WHICH COMPRISES (A) AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF A STYRENE, AN ALKYL ESTER OF ACRYLIC ACID, AND AN ALKYL ESTER OF AN ALPHAALKYL ACRYLIC ACID, AND (B) FROM 0.28 PERCENT TO 5 PERCENT BY WEIGHT BASED ON SAID INTERPOLYMER OF AN ALPHA, BETA-ETHYLENICALLY UNSATURATED CARBOXYLIC ACID HAVINT 1 TO 2 CARBOXYL GROUPS; (2) AT LEAST 40 PERCENT BY WEIGHT BASED ON THE TOTAL COMPOSITION OF ZINC PARTICLES; AND (3) 0.007 PERCENT TO 5 PERCENT BY WEIGHT BASED ON THE TOTAL COMPOSITION OF AN ALKALINE COMPOUND SELECTED FROM THE GROUP CONSISTING OF OXIDES, HYDROXIDES, AND CARBONATES OF SOAP-FORMING METALS.
Claim 2
Dependent Claim
108 words
THE COMPOSITION COMPRISING (1) AN INTERPOLYMER WHICH COMPRISES (A) AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF A STYRENE, AN ALKYL ESTER OF ACRYLIC ACID, AND AN ALKYL ESTER OF AN ALPHAALKYL ACRYLIC ACID, AND (B) FROM 0.28 PERCENT TO 5 PERCENT BY WEIGHT BASED ON SAID INTERPOLYMER OF AN ALPHA, BETA-ETHYLENICALLY UNSATURATED CARBOXYLIC ACID HAVINT 1 TO 2 CARBOXYL GROUPS; (2) AT LEAST 40 PERCENT BY WEIGHT BASED ON THE TOTAL COMPOSITION OF ZINC PARTICLES; AND (3) 0.007 PERCENT TO 5 PERCENT BY WEIGHT BASED ON THE TOTAL COMPOSITION OF AN ALKALINE COMPOUND SELECTED FROM THE GROUP CONSISTING OF OXIDES, HYDROXIDES, AND CARBONATES OF SOAP-FORMING METALS.
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |