Inventor

WOLFF SIEGFRIED

DE48 patents

⚠️ This page may combine multiple inventors who share the name “WOLFF SIEGFRIED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WOLFF SIEGFRIED

DEGUSSA

Carbon blacks modified with organosilicon compounds, method of their production and their use in rubber mixtures

Process for the production of plastic and rubber compositions filled with carbon black

Bis-(silylethyl)-oligosulphides and process for their production

Reinforcing additive

Method for the production of fillers modified with organosilicon compounds, the fillers produced in this manner and their use

Surface modified synthetic, silicatic filler, a process for its production and its use

Rubber mixtures giving reversion-free vulcanizates and process of vulcanization

Natural oxidic or silicate filler modified on the surface, a process for its production

Granulate form organosilane preparation

Silane/filler preparations, process for their production and their use

Reinforcing additive

Compositions containing silica, a phenoplast or an aminoplast, and a silane

Elastic molding material, method of producing and shaping and use thereof

Cross-linkable rubber mixtures containing silicate fillers and process for cross-linking

Adhesion promoters for rubber and synthetic mixtures

Bis-(silylethyl)-oligosulphides and process for their production

Bis-(silylethyl)-oligosulphides and process for their production

Vulcanizable rubber mixture for tire treads having improved skid resistance

Vulcanizable rubber mixture based on halogen free rubber for vulcanizing these rubber mixtures and use of the rubber mixtures

Vulcanizable halorubber mixtures

Resorcinol-filler preparation, process for the production and use of the same

Vulcanizable mixture containing bis-(2-ethylamino-s-triazin-6-yl)-tetrasulfide

Process for vulcanization or cross-linking halogen containing rubbers in the presence of silicon containing isothiuronium compounds

Adhesion promoters for rubber and synthetic mixtures

Method of granulating resorcinol/silica mixtures, the granulates obtained in this manner and their use

Method of preparing sulfenic acid chlorides and sulfenic acid esters

Reaction product of 4,4-bis-(hydroxymethyl)-cyclohexene compounds with sulfur

Method of preparing pure 3-butenyl triorganooxysilanes, the intermediate products 3,4-dichlorobutyl triorganooxysilanes and use of the final products

Silyl substituted cyclopentadiene, process for its production and synthetic resin and rubber mixtures containing it

Silyl substituted cyclopentadiene, process for its production and synthetic resin and rubber mixtures containing it

Vulcanizable 2-sec.amino-4,6-dimercapto-s-triazine containing halogen rubber mixtures

Vulcanizable rubber mixtures containing bis-(2,4-organylthio-triazine-6-yl) polysulfides

Peroxide vulcanizable moulding materials and a method of their manufacture

Heat vulcanizable moulding materials

Triazinesulfenimides of dicarboxylic acids

Triazinesulfenimides of dicarboxylic acids

Resorcinol-filler preparation, process for the production and use of the same

Nitrogen containing alkoxysilane and process for its production

Organyloxysilyl-functional thioures with halogen rubber mixtures

Bis-(2-ethylamino-4-diethylamino-s-triazine-6-yl) tetrasulfide, process for its production, use and vulcanizable mixtures containing it

Process for the production of mixed granulate from carbon black and light filler

Vulcanizable EPDM containing rubber composition

Use of N,N&#39;- and N,N&#39;,N&#39;-substituted silyl ureas as antidegradation agents and polymer blends which contain them

Reaction product of 4,4-bis-(hydroxymethyl)-cyclohexene compounds with sulfur

Mixtures of sulfurous triazine compounds

FEDERAL REPUBLIC OF GERMANY

Substituted N-trichloromethyl thiodicarboximides and N,N-substituted bis-(2,4-diamino-s-triazin-6-yl)-oligosulfides in vulcanizable rubber

DEGUSSA AKIENGESELLSCAHFT

Method of producing granulated material composed of zinc oxide and silica, resulting product and its use

DESCHLER ULRICH

Method of preparing pure 3-butenyl triorganooxysilanes, the intermediate products 3,4-dichlorobutyl triorgano-oxysilanes and use of the final products

Use of N,N'- and N,N',N'-substituted silyl ureas as antidegradation agents and polymer blends which contain them