US4027068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Use of chitin derivatives in automobile products
Assignee: Clorox Co
•
Filing: 1975-09-12
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Granted: 1977-05-31
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Expires: 1995-09-12
Abstract
Abstract A method of using chitin derivatives as defoggers for clear surfaces and as deodorizers is disclosed.
Inventors
- 👤 Hosny Younes Saad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:21
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/18; A; A61; A61L; A61L9/00; A61L9/015; A61L9/04; A61L9/042; Y; Y10; Y10S; Y10S428/00; Y10S428/905; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31971
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
26 words
A method for reducing the formation of fog on a transparent surface by disposing upon said surface a thin film of a carboxyl containing chitin derivative
Claim 2
Independent Claim
26 words
A method for reducing the formation of fog on a transparent surface by disposing upon said surface a thin film of a carboxyl containing chitin derivative
Claim 3
Dependent Claim
12 words
The method according to claim 1 in which the surface is glass.
Claim 4
Dependent Claim
15 words
The method according to claim 1 in which the surface is a transparent plastic material.
Claim 5
Dependent Claim
25 words
The method according to claim 1 in which the chitin derivative is selected from the group consisting of O-carboxyalkyl chitin, N-carboxyalkyl chitosans, and N-carboxyacyl chitosans.
Claim 6
Dependent Claim
59 words
The method according to claim 1 in which the chitin derivative is 0-substituted chitin containing a major amount of carboxyalkyl substituents and a minor amount of substituents selected from the following group: alkyl, alkoxyalkyl or, carboalkoxyalkyl; or the chitin derivative is a N-substituted chitosan containing both carboxyalkyl substituents and substituents selected from the following group: alkyl, alkoxyalkyl, or carboalkoxyalkyl.
Claim 7
Dependent Claim
23 words
A method according to claim 1 in which said thin film of a carboxyl containing chitin derivative has disposed therein a perfume material.
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) | 1980-05-30 | 1980-11-29 | 1981-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-30 | 1984-11-29 | 1985-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-30 | 1988-11-29 | 1989-05-31 | $7700.00 | Window Closed / Lapsed |