Patent US4337269A successfully refreshed from Google Patents.
US4337269A
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Preservative compositions
Assignee: Sutton Laboratory Inc
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Filing: 1979-07-23
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Granted: 1982-06-29
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Expires: 1999-07-23
Abstract
Abstract A biocidal composition containing the product produced by the reaction of glycine, an alkyl substituted glycinate, or salts of these compounds with formaldehyde is disclosed. The composition effectively inhibits growth of bacteria, yeast and mold in a variety of substances susceptible to microbial contamination.
Inventors
- 👤 Philip A. Berke
- 👤 William E. Rosen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:19
CPC Classifications
A; A61; A61Q; A61Q17/00; A61Q17/005; A01; A01N; A01N37/00; A01N37/44; A23; A23B; A23B11/00; A23B11/10; A23B11/18; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B2/762; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/40; A61K8/44; C; C10; C10M; C10M133/00; C10M133/02; C10M133/04; C10M133/06; C10M133/08; A61K2800/00; A61K2800/40; A61K2800/52; A61K2800/524; C10M2201/00; C10M2201/02; C10M2215/00; C10M2215/10; C10N; C10N2040/00; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
55 words
A method for inhibiting microbial growth in a substance requiring microbial inhibition comprising incorporating into the substance in vitro an effective microbial growth inhibiting amount of a condensation reaction product produced by the reaction of glycine, lower alkyl substituted glycinate or salts thereof with formaldehyde in aqueous medium in a molar ratio of about 1:1.
Claim 2
Independent Claim
55 words
A method for inhibiting microbial growth in a substance requiring microbial inhibition comprising incorporating into the substance in vitro an effective microbial growth inhibiting amount of a condensation reaction product produced by the reaction of glycine, lower alkyl substituted glycinate or salts thereof with formaldehyde in aqueous medium in a molar ratio of about 1:1.
Claim 3
Dependent Claim
39 words
The method as defined by claim 1, wherein said reaction product is a member selected from the group consisting of sodium hydroxymethylaminoacetate, potassium hydroxymethylaminoacetate, aluminum hydroxymethylaminoacetate, calcium hydroxymethylaminoacetate, magnesium hydroxymethylaminoacetate, copper hydroxymethylaminoacetate, zinc hydroxymethylaminoacetate, methyl hydroxymethylaminoacetate and hydroxymethylaminoacetic acid.
Claim 4
Dependent Claim
25 words
The method as defined by claim 1, wherein said reaction product is incorporated into said substance in an amount less than about 1.0% by weight.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-06-28 | 1985-12-28 | 1986-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-06-28 | 1989-12-28 | 1990-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-06-28 | 1993-12-28 | 1994-06-29 | $7700.00 | Window Closed / Lapsed |