US2850408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solution of beta-amino lower alkyl carbamate epichlorohydrin reaction product, textile crease-proofed therewith and method of making
Assignee: Dow Chemical Co
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Filing: 1958-02-10
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Granted: 1958-09-02
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Expires: 1978-02-10
Abstract
No abstract record available.
Inventors
- 👤 Theodore E Zurawic
- 👤 Richard W Mundinger
- 👤 William F Tousignant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:47
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/2393; Y10T442/2762; Y10T442/277; Y10T442/2828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
THERMOSETTING, RESINOUS COMPOSITION COMPRISING AN ADDUCT OF FROM 2.0 TO 4.0 MOLES OF FORMALDEHYDE WITH EACH MOLE OF MODIFIED UREA IN A REACTION PRODUCT OF 1.0 MOLE OF UREA AND BETWEEN ABOUT 0.6 AND 1.2 MOLES OF AN ALKYLENE OXIDE, SAID REACTION PRODUCT CONSISTING PREPONDERANTLY OF B-AMINO LOWER-ALKYL CARBAMATES OF THE FORMULA:
Claim 2
Dependent Claim
52 words
THERMOSETTING, RESINOUS COMPOSITION COMPRISING AN ADDUCT OF FROM 2.0 TO 4.0 MOLES OF FORMALDEHYDE WITH EACH MOLE OF MODIFIED UREA IN A REACTION PRODUCT OF 1.0 MOLE OF UREA AND BETWEEN ABOUT 0.6 AND 1.2 MOLES OF AN ALKYLENE OXIDE, SAID REACTION PRODUCT CONSISTING PREPONDERANTLY OF B-AMINO LOWER-ALKYL CARBAMATES OF THE FORMULA:
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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |