Patent US3240552A successfully refreshed from Google Patents.
US3240552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystalline polymerized alpha-monoolefinic hydrocarbons containing an organic addition polymer and a metal compound to improve their dyeability
Assignee: Eastman Kodak Co
•
Filing: 1961-05-15
•
Granted: 1966-03-15
•
Expires: 1981-05-15
Abstract
No abstract record available.
Inventors
- 👤 Frederick B Joyner
- 👤 John R Caldwell
- 👤 Gilkey Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:01
CPC Classifications
C; C08; C08L; C08L29/00; C08L29/14; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08L23/00; C08L23/02; C08L57/00; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
85 words
AS A COMPOSITION OF MATTER, A SHAPED CRYSTALLINE POLYMERIZED A - MONOOLEFINIC HYDROCARBON HAVING IMPROVED DYEABILITY CONTAINING 1 TO 25% BY WEIGHT OF A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYVINYLACETAL, POLYVINYLBUTYRAL AND ADDITION POLYMERS CONTAINING RECURRING ALKYL ACRYLATE UNITS BASED ON THE WEIGHT OF POLYMERS PRESENT AND A CARBOXYLIC ACID SALT OF A METAL SELECTED FROM THE GROUP OF NICKEL, COBALT AND CHROMIUM IN AN AMOUNT WHICH PROVIDES A METAL CONTENT OF FROM 0.02 TO 0.5% BY WEIGHT OF THE HYDROCARBON POLYMER PRESENT.
Claim 2
Dependent Claim
85 words
AS A COMPOSITION OF MATTER, A SHAPED CRYSTALLINE POLYMERIZED A - MONOOLEFINIC HYDROCARBON HAVING IMPROVED DYEABILITY CONTAINING 1 TO 25% BY WEIGHT OF A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYVINYLACETAL, POLYVINYLBUTYRAL AND ADDITION POLYMERS CONTAINING RECURRING ALKYL ACRYLATE UNITS BASED ON THE WEIGHT OF POLYMERS PRESENT AND A CARBOXYLIC ACID SALT OF A METAL SELECTED FROM THE GROUP OF NICKEL, COBALT AND CHROMIUM IN AN AMOUNT WHICH PROVIDES A METAL CONTENT OF FROM 0.02 TO 0.5% BY WEIGHT OF THE HYDROCARBON POLYMER PRESENT.
Claim 3
Dependent Claim
10 words
DYED FIBERS HAVING THE COMPOSITION SET FORTH IN CLAIM 1.
References Cited (Backward Citations)
BE557717A
Cited
US2628214A
Cited
US2571683A
Cited
US2882263A
Cited
US2927904A
Cited
FR1198579A
Cited
US2984634A
Cited
US3003845A
Cited
US3153680A
Cited
US3156743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |