Germicidal agent
CA 1102502 A · Owner: Peroxid-Chemie Gmbh · Inventors: Schwarzer, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Germicidal agent for use in aqueous systems which, germicidal agent is based on hydrogen peroxide and comprises at least one of the following:, - a p-hydroxybenzoic acid compound selected from the group consisting of p-hydroxybenzoic acid, salts thereof and alkyl esters thereof of from 1 to 4 carbon atoms in the alkyl moiety; - at least one nitrogen heterocyclic aromatic compound which does not decompose upon reaction with H2O2 and which contains at least one hydroxyl group or carboxyl group and which may be in salt or alkyl ester form, wherein the alkyl moiety has of from 1 to 4 carbon atoms;, - an amino sulfonic acid of the formula R2NSO3H wherein R is hydrogen or alkyl of from 1 to 6 …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted June 9, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.