Patent US3296235A successfully refreshed from Google Patents.
US3296235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymer of acrylamide and nu-alkyl acrylamide with a propellant in aerosol spray cans
Assignee: Henkel AG and Co KGaA
•
Filing: 1964-07-08
•
Granted: 1967-01-03
•
Expires: 1984-07-08
Abstract
No abstract record available.
Inventors
- 👤 Hans Zoebelein
- 👤 Manfred Dohr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:15
CPC Classifications
A; A61; A61Q; A61Q19/00; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/046; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8158; A61Q5/00; A61Q5/06; C; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C09; C09D; C09D133/00; C09D133/24; C09D133/26; C11; C11D; C11D17/00; C11D17/0039; Y; Y10; Y10S; Y10S524/00; Y10S524/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A COMPOSITION FOR USE AS A FILM-FORMING COATING AND ADHESIVE AGENT IN AERSOL SPRY CANS, CONSISTING ESSENTIALLY OF A SOLUTION OF COPOLYMERS CONSISTING OF ACRYLAMIDE AND N-ALKYL ACRYLAMIDES WHEREIN THE SLKYL SUBSTITUENT CONTAINS FROM 2 TO 6 CARBON ATOMS IN LOWER ALIPHATIC ALCOHOLS, IN ADMIXTURE WITH A PROPELLANT THE RATIO OF ACRYLAMIDE TO N-ALKYL ACRYLAMIDE IS FROM ABOUT 5.5:4.5 TO 1:8.5 BY WEIGHT.
Claim 2
Dependent Claim
63 words
A COMPOSITION FOR USE AS A FILM-FORMING COATING AND ADHESIVE AGENT IN AERSOL SPRY CANS, CONSISTING ESSENTIALLY OF A SOLUTION OF COPOLYMERS CONSISTING OF ACRYLAMIDE AND N-ALKYL ACRYLAMIDES WHEREIN THE SLKYL SUBSTITUENT CONTAINS FROM 2 TO 6 CARBON ATOMS IN LOWER ALIPHATIC ALCOHOLS, IN ADMIXTURE WITH A PROPELLANT THE RATIO OF ACRYLAMIDE TO N-ALKYL ACRYLAMIDE IS FROM ABOUT 5.5:4.5 TO 1:8.5 BY WEIGHT.
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 |