| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 24 | |
| #2 | Austria | 6 | |
| #3 | Denmark | 5 | |
| #4 | France | 5 | |
| #5 | Belgium | 4 | |
| #6 | United Kingdom | 4 | |
| #7 | Canada | 2 | |
| #8 | Switzerland | 1 | |
| #9 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Organic fine chemistry | |
| #2 | Pharmaceuticals | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Medical preparations | |
| #2 | Heterocyclic compounds | |
| #3 | Acyclic or carbocyclic compounds | |
| #4 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kohlstaedt Dr Erwin | 11 |
| #2 | Kohlstaedt Erwin Dr | 11 |
| #3 | Liedtke Karl-Heinz Dr | 5 |
| #4 | Klingler Karl-Heinz Dr | 4 |
| #5 | Klingler Dr Karl-Heinz | 3 |
| #6 | Schmidt Dipl-Chem Dr Wilhelm | 2 |
| #7 | Klingler Karl H | 2 |
| #8 | Klingler Dr Karl Heinz | 2 |
| #9 | Kohlstaedt Dr Phil Nat Erwin | 2 |
| #10 | Wilhelm Schmidt Dipl-Chem Dr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB860336A | N-substituted 2-phenyl-7-aminoalkoxy chromones and a process for preparing them | |
| GB859445A | Basically substituted alkyl xanthine derivatives and acid addition salts thereof and a process for their production | |
| GB816299A | A process for the production of 1-(ª‰-hydroxypropyl)-theobromine | |
| GB752547A | Production of a bacteriostatic or bactericidal agent | |
| CA585950A | PREPARATION OF 1-(.beta.-HYDROXYPROPYL)-THEOBROMINE | |
| CA566496A | Process for the production of basic-substituted 7-alkyl xanthines or salts thereof |