Patent US4055694A successfully refreshed from Google Patents.
US4055694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starch latex composition
Assignee: Reichhold Chemicals Inc
•
Filing: 1976-04-05
•
Granted: 1977-10-25
•
Expires: 1996-04-05
Abstract
Abstract A latex composition is provided comprising a polymeric latex and an extender consisting essentially of a mixture of granular starch and borax. This extender can be used at relatively high levels in the polymeric latex without substantially deleteriously affecting the properties of the latex when used for coating textiles.
Inventors
- 👤 Robert B. Hadgraft
- 👤 John J. Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:55
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/38; C08L; C08L21/00; C08L21/02; C08L3/00; C08L3/02; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23979; Y10T428/23993
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
49 words
A latex composition comprising an elastomeric polymer latex and up to about 66 parts by weight of an extender per 100 parts of said polymer latex consisting essentially of a mixture of granular starch and borax, the weight ratio of granular starch to borax being from about 1.5:1 to
Claim 2
Dependent Claim
49 words
A latex composition comprising an elastomeric polymer latex and up to about 66 parts by weight of an extender per 100 parts of said polymer latex consisting essentially of a mixture of granular starch and borax, the weight ratio of granular starch to borax being from about 1.5:1 to
Claim 3
Dependent Claim
13 words
A latex composition as defined in claim 1, wherein the weight ratio of
Claim 4
Dependent Claim
24 words
A latex composition as defined in claim 2, wherein the cold water solubility of the granular starch is below about 20 percent by weight
Claim 5
Dependent Claim
12 words
A latex composition as defined in claim 3, wherein the polymeric latex
Claim 6
Dependent Claim
11 words
A textile article comprising a textile coated with the latex composition
Claim 7
Dependent Claim
11 words
A textile article comprising a textile coated with the latex composition
Claim 8
Dependent Claim
11 words
A textile article comprising a textile coated with the latex composition
Claim 9
Dependent Claim
11 words
A textile article comprising a textile coated with the latex composition
Claim 10
Dependent Claim
25 words
A latex composition as defined in claim 1, wherein the extender comprises up to about 25 parts by weight per 100 parts of polymeric latex
Claim 11
Dependent Claim
20 words
A latex composition as defined in claim 1, wherein the polymeric latex comprises an interpolymerized conjugated diene and an ethylenically
Claim 12
Dependent Claim
29 words
A latex composition as defined in claim 1, wherein the granular starch is selected from the group consisting of oxidized starches, acid treated starches, ethoxylated starches and mixtures thereof.
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) | 1980-10-24 | 1981-04-25 | 1981-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-24 | 1985-04-25 | 1985-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-24 | 1989-04-25 | 1989-10-25 | $7700.00 | Window Closed / Lapsed |