Patent US2806842A successfully refreshed from Google Patents.
US2806842A
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Alkylene oxide graft copolymers
Assignee: Colgate Palmolive Co
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Filing: 1955-10-24
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Granted: 1957-09-17
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Expires: 1975-10-24
Abstract
No abstract record available.
Inventors
- 👤 Gerecht John Fred
- 👤 Krems Irving Joseph
- 👤 Weiss Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:29
CPC Classifications
C; C08; C08F; C08F8/00; C08F2800/00; C08F2800/10; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
AN ALKYLENE ALPHA, BETA OXIDE ADDITION PRODUCT OF A COPOLYMER OF (A) A STYRENE COMPOUND SELECTED FROM THE GROUP CONSISTING OF STYRENE AND STYRENE BEARING INERT SUBSTITUENTS AND (B) AN ALPHA, BETA ETHYLENICALLY UNSATURATED ALIPHATIC CARBOXYLIC ACID AMIDOALCOHOL, SAID ADDITION PRODUCT BEING SUBSTANTIALLY FREE OF IONIC GROUPS.
Claim 2
Dependent Claim
47 words
AN ALKYLENE ALPHA, BETA OXIDE ADDITION PRODUCT OF A COPOLYMER OF (A) A STYRENE COMPOUND SELECTED FROM THE GROUP CONSISTING OF STYRENE AND STYRENE BEARING INERT SUBSTITUENTS AND (B) AN ALPHA, BETA ETHYLENICALLY UNSATURATED ALIPHATIC CARBOXYLIC ACID AMIDOALCOHOL, SAID ADDITION PRODUCT BEING SUBSTANTIALLY FREE OF IONIC GROUPS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |