Inventor

HERWEH JOHN E

US17 patents

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

HERWEH JOHN E

ARMSTRONG WORLD IND INC

Alkoxysilane and alkoxysilane terminated polyamic or polyimide lacquer composition

Highly insoluble azole embossing inhibitor and the use thereof

Polyurethane polymers comprising macrocyclic crown ethers in the polymer backbone

Novel polyacrylic esters bearing pendant macrocyclic ethers and electrically conducting compositions comprised thereof

Novel polyacrylic esters bearing pendant macrocyclic ethers and electrically conducting compositions comprised thereof

Novel polyacrylic esters bearing pendant macrocyclic ethers and electrically conducting compositions comprised thereof

3-Substituted-7-alkoxy-2,2&#39;-Spirobi[2H-1-benzopyrans]

Bicyclic acrylic monomers

Process for fixing photo-induced colored derivatives of spiropyrans and compositions therefor

3-Substituted-7-dialkylamino-spiro(2H-1-benzopyran-2,3&#39;-(3H)-naphtha(2,1-b)pyrans)

3-Substituted-7-alkoxy-spiro(2H-1-benzopyran-2,3&#39;-(3H)-naphtho(2,1-B)pyrans)

7-Dimethylamino-3-substituted-2,2&#39;-spirobi[2H-1-benzopyrans]

ARMSTRONG CORK CO

Surface modification of polymeric substrates via interaction with azido formyl or azido sulfonyl compounds

Block polymers from isocyanurate-based polyesters and conventional polyester segments

Sulfide compositions as inhibiting agents for amine-induced yellowing

Method for producing sulfonyl semicarbazides

Synthesis of sulfonyl semicarbazides

3-Substituted-7-alkoxy-2,2'-Spirobi[2H-1-benzopyrans]

3-Substituted-7-dialkylamino-spiro(2H-1-benzopyran-2,3'-(3H)-naphtha(2,1-b)pyrans)

3-Substituted-7-alkoxy-spiro(2H-1-benzopyran-2,3'-(3H)-naphtho(2,1-B)pyrans)

7-Dimethylamino-3-substituted-2,2'-spirobi[2H-1-benzopyrans]