Assignee
SCA DEVELOPMENT AB
SE·19 granted patents·262 citations·filing 1975–1985
Top patents by PatentIndex Score
19 records- 0191US4039154ARefining elementSCA DEVELOPMENT AB·Filed 1976·Granted Aug 2, 1977·43 cites·6 claims
- 0285US4635864ARefiner disc segmentSCA DEVELOPMENT AB·Filed 1985·Granted Jan 13, 1987·44 cites·12 claims
- 0379US4451332AMethod for delignification of ligno-cellulose containing fiber material with an alkali-oxygen extraction stageSCA DEVELOPMENT AB·Filed 1982·Granted May 29, 1984·27 cites·11 claims
- 0475US4221631AMethod and apparatus for refining fiberous materialSCA DEVELOPMENT AB·Filed 1978·Granted Sep 9, 1980·27 cites·16 claims
- 0564US3977611AApparatus for refining fiber materialSCA DEVELOPMENT AB·Filed 1975·Granted Aug 31, 1976·11 cites·8 claims
- 0659US4256877AMethod of manufacturing cellulose derivativeSCA DEVELOPMENT AB·Filed 1977·Granted Mar 17, 1981·44 cites·21 claims
- 0757US4037792AContinuously refining raw fibrous material to produce mechanical refiner pulpSCA DEVELOPMENT AB·Filed 1975·Granted Jul 26, 1977·13 cites·8 claims
- 0850US4294412AMethod and apparatus for controlling wood pulp grinding machinesSCA DEVELOPMENT AB·Filed 1979·Granted Oct 13, 1981·8 cites·28 claims
- 0948US4329199AProcess for digesting and bleaching cellulosic material with reduced emissionsSCA DEVELOPMENT AB·Filed 1979·Granted May 11, 1982·9 cites·9 claims
- 1046US4357208AMethod of making pulpSCA DEVELOPMENT AB·Filed 1979·Granted Nov 2, 1982·5 cites·6 claims
- 1139US3961976AMethod of preparing sizeSCA DEVELOPMENT AB·Filed 1975·Granted Jun 8, 1976·6 cites·10 claims
- 1236US4240260ASteam treating method and systemSCA DEVELOPMENT AB·Filed 1978·Granted Dec 23, 1980·10 cites·9 claims
- 1334US4011150AMethod of treating refining segmentsSCA DEVELOPMENT AB·Filed 1975·Granted Mar 8, 1977·2 cites·7 claims
- 1429US4194299ACondensate discharging deviceSCA DEVELOPMENT AB·Filed 1978·Granted Mar 25, 1980·7 cites·6 claims
- 1528US4356213AChip treatmentSCA DEVELOPMENT AB·Filed 1981·Granted Oct 26, 1982·0 cites·8 claims
- 1624US4027736ALoad-weighing deviceSCA DEVELOPMENT AB·Filed 1976·Granted Jun 7, 1977·2 cites·4 claims
- 1720US4176619APaper surface treating deviceSCA DEVELOPMENT AB·Filed 1977·Granted Dec 4, 1979·4 cites·3 claims
- 1820US4128669AMethod of surface treating paper websSCA DEVELOPMENT AB·Filed 1977·Granted Dec 5, 1978·0 cites·2 claims
- 1910US4188261AMethod of improving the homogeneity of lignocellulose containing materialSCA DEVELOPMENT AB·Filed 1977·Granted Feb 12, 1980·0 cites·6 claims
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